OMB APPROVAL OMB Number: 3235-0578 Expires: May 31, 2006 Estimated average burden hours per response..... 20.0 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-21448 Pioneer Tax Advantaged Balanced Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Dorothy E. Bourassa, Pioneer Investment Management, Inc., 60 State Street, Boston, MA 02109 (Name and address of agent for service) Registrant's telephone number, including area code: (617) 742-7825 Date of fiscal year end: November 30 Date of reporting period: February 28, 2006 Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after close of the first and third fiscal quarters, pursuant to Rule 30b1-5under the Investment Company Act of 1940 (17 CFR 270.30b-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles. A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. ss. 3507. ITEM 1. Schedule of Investments. Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) Principal Amount Value TAX EXEMPT OBLIGATIONS - 73.8% of Net Assets Alabama - 3.2% $6,990,000 Birmingham Waterworks & Sewer Revenue, 5.0%, 1/1/43 $7,212,142 5,000,000 Huntsville Health Care Authority Revenue, 5.75%, 6/ 5,330,000 1,500,000 Sylacauga Health Care Authority Revenue, 6.0%, 8/1/ 1,542,300 $14,084,442 Arizona - 2.3% 10,285,00(aGila County Industrial Development Authority, 5.55% $5,913,875 1,000,000 Maricopa County Hospital Revenue, 5.0%, 4/1/35 1,003,870 1,000,000 Pima County Industrial Development Authority, 6.375 1,040,550 1,000,000 Pima County Industrial Development Authority, 6.75% 1,048,140 1,000,000 Pima County Industrial Development Authority, 7.5%, 1,034,880 $10,041,315 California - 3.7% 1,000,000 California Health Facilities Authority Revenue, 5.2 $1,058,750 4,000,000 Golden State Tobacco Securitization Corp., 6.75%, 6 4,506,840 9,655,000(bGolden State Tobacco Securitization Corp., RIB, 7.7 10,456,268 $16,021,858 Connecticut - 1.4% 4,190,000 Connecticut State Development Authority Pollution C $4,440,604 1,500,000 Mohegan Tribe Indians Gaming Authority, 5.25%, 1/1/ 1,514,775 $5,955,379 District of Columbia - 1.0% 4,000,000 District of Columbia Tobacco Settlement Financing C $4,361,760 Florida - 2.1% 5,000,000 Highlands County Health Facilities Authority Revenu $5,439,100 1,100,000 Madison County First Mortgage Revenue, 6.0%, 7/1/25 1,138,203 2,025,000 Miami Beach Health Facilities Authority, 5.375%, 11 2,032,351 500,000 Miami Beach Health Facilities Authority, 6.7%, 11/1 550,645 $9,160,299 Georgia - 2.4% 5,000,000 Burke County Development Authority Revenue, 4.75%, $5,037,350 2,500,000 Milledgeville-Baldwin County Development Authority 2,667,175 2,500,000 Milledgeville-Baldwin County Development Authority 2,659,925 $10,364,450 Illinois - 4.1% 3,000,000 Chicago Illinois General Obligation, 5.0%, 1/1/28 $3,140,400 4,580,000 Illinois Development Finance Authority Revenue, 5.2 4,818,984 5,000,000 Illinois Educational Facilities Authority Revenue, 5,171,800 2,000,000 Illinois Finance Authority Revenue, 5.5%, 8/15/43 2,148,040 2,055,000(bIllinois Finance Authority Revenue, RIB, 10.433%, 8 2,572,182 $17,851,406 Indiana - 2.2% 4,135,000 Indiana State Development Finance Authority Revenue $4,294,652 5,100,000 Indiana Transportation Finance Authority Highway Re 5,326,695 $9,621,347 Louisiana - 2.0% 8,335,000 Tobacco Settlement Financing Corp., 5.875%, 5/15/39 $8,828,182 Maryland - 1.3% 3,000,000 Frederick County Educational Facilities Revenue, 5. $3,134,820 2,500,000 Maryland State Health & Higher Educational Faciliti 2,595,175 $5,729,995 Massachusetts - 4.9% 2,000,000 Massachusetts Health & Educational Facilities Autho $2,091,080 5,000,000 Massachusetts Health & Educational Facilities Autho 5,029,350 1,550,000 Massachusetts Health & Educational Facilities Autho 1,562,493 1,600,000 Massachusetts Health & Educational Facilities Autho 1,647,360 2,120,000 Massachusetts Health & Educational Facilities Autho 2,181,480 900,000 Massachusetts Health & Educational Facilities Autho 976,707 2,750,000 Massachusetts Health & Educational Facilities Autho 2,991,203 500,000 Massachusetts State Development Finance Agency, 5.5 507,125 1,100,000 Massachusetts State Development Finance Agency, 5.6 1,162,436 1,000,000 Massachusetts State Development Finance Agency, 5.7 1,055,790 2,000,000 University of Massachusetts Building Authority Proj 2,163,320 $21,368,344 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) Principal Amount Value Michigan - 2.0% $5,000,000 Macomb County Hospital Finance Authority Revenue, 5 $5,077,500 2,000,000 Michigan State Hospital Finance Authority Revenue, 1,975,640 1,000,000 Michigan State Hospital Finance Authority Revenue, 997,150 695,000 Pontiac Hospital Finance Authority Revenue, 6.0%, 8 694,979 $8,745,269 Minnesota - 0.8% 2,000,000 Duluth Economic Development Authority Health Care F $2,069,640 1,500,000 Duluth Economic Development Authority Health Care F 1,547,220 $3,616,860 Missouri - 0.4% 1,720,000 Missouri State Health & Educational Authority Healt $1,810,438 Montana - 2.1% 1,000,000 Montana Finance Authority Hospital Facilities Reven $1,022,330 8,000,000(bMontana Health Facility Authority Revenue, RIB, 7.3 8,019,200 $9,041,530 Nebraska - 0.8% 3,500,000(bNebraska Investment Finance Authority Revenue, RIB, $3,587,500 Nevada - 1.6% 3,000,000 Clark County Industrial Development Revenue, 5.5%, $2,970,300 1,500,000 Henderson Nevada Health Care Facilities Revenue, 5. 1,612,950 2,500,000 Washoe County Water Facility Revenue, 5.0%, 3/1/36 2,525,775 $7,109,025 New Hampshire - 0.7% 1,900,000 New Hampshire Business Finance Authority Revenue, 6 $1,887,498 1,000,000 New Hampshire Health & Education Facilities Authori 1,068,940 $2,956,438 New Jersey - 3.8% 1,250,000 Camden County Improvement Authority Revenue, 5.75%, $1,324,550 710,000 New Jersey Economic Development Authority Revenue, 726,231 1,230,000 New Jersey Economic Development Authority Revenue, 1,261,673 1,500,000 New Jersey Health Care Facilities Financing Authori 1,402,095 5,000,000 New Jersey Health Care Facilities Financing Authori 5,185,200 3,500,000 New Jersey Health Care Facilities Financing Authori 3,589,600 3,000,000 Tobacco Settlement Financing Corp., 6.25%, 6/1/43 3,263,700 $16,753,049 New Mexico - 0.6% 1,000,000 Dona Ana County PILT Revenue, 5.25%, 12/1/25 $1,062,650 1,500,000 Farmington New Mexico Hospital Revenue, 5.0%, 6/1/2 1,544,895 $2,607,545 New York - 5.0% 2,000,000 Dutchess County Industrial Development Agency Reven $2,188,060 1,000,000 New York City Industrial Development Agency, 5.0%, 1,052,160 1,000,000 New York City Industrial Development Agency, 5.25%, 1,085,280 8,820,000(cNew York City Transitional Finance Authority Revenu 7,131,411 5,000,000 Port Authority of New York & New Jersey Revenue, 5. 5,222,850 4,900,000 Triborough Bridge & Tunnel Authority, 5.25%, 11/15/ 5,265,785 $21,945,546 North Carolina - 1.4% 3,000,000 North Carolina Capital Facilities Finance Agency Re $3,130,140 1,000,000 North Carolina Capital Facilities Finance Agency St 1,033,400 1,000,000 North Carolina Capital Facilities Finance Agency St 1,027,230 1,000,000 North Carolina Medical Care Commission Health Care 1,023,970 $6,214,740 Ohio - 1.4% 2,000,000 Cleveland Airport Special Revenue, 5.7%, 12/1/19 $1,798,560 3,000,000 Columbus City School District, 5.0%, 12/1/32 3,162,930 1,000,000 Hamilton County Hospital Facilities Revenue, 5.125% 1,056,520 $6,018,010 Oregon - 0.7% 2,935,000 Oregon State Housing & Community Services Departmen $3,023,167 Pennsylvania - 2.8% 5,000,000 Pennsylvania State Turnpike Commission Oil Franchis $5,262,200 3,000,000 Sayre Health Care Facilities Authority Revenue, 5.8 3,219,930 280,000 Scranton-Lackawanna Health and Welfare Authority Ho 274,481 700,000 Scranton-Lackawanna Health and Welfare Authority Ho 682,010 460,000 Scranton-Lackawanna Health and Welfare Authority Ho 445,160 2,165,000 Swarthmore Borough Authority College Revenue, 5.0%, 2,239,043 $12,122,824 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) Principal Amount Value Puerto Rico - 3.4% $8,000,000 Puerto Rico Commonwealth Highway & Transportation A $8,270,400 5,000,000 Puerto Rico Public Buildings Authority Revenue, 5.2 5,315,300 1,000,000 Puerto Rico Public Finance Corp., 5.75%, 8/1/27 1,086,690 $14,672,390 Rhode Island - 1.2% 1,640,000 Tobacco Settlement Financing Corp., 6.125%, 6/1/32 $1,734,349 3,100,000 Tobacco Settlement Financing Corp., 6.25%, 6/1/42 3,297,191 $5,031,540 South Carolina - 4.1% 6,000,000 Berkeley County School District Installment Lease, $6,138,960 5,000,000 Florence County Hospital Revenue, 5.25%, 11/1/34 5,326,450 3,500,000 Lexington County Health Services District, Inc., Ho 3,680,705 2,500,000 South Carolina Jobs Economic Development Authority 2,644,775 $17,790,890 Tennessee - 0.6% 2,500,000 Knox County Health Educational & Housing Facilities $2,663,775 Texas - 2.8% 1,552,000 Houston Housing Financing Corp., 6.25%, 9/20/31 $1,671,318 2,750,000 Lower Colorado River Authority, 5.0%, 5/15/31 2,862,612 1,711,000 Panhandle Regional Housing Finance Corp., 6.6%, 7/2 1,879,927 3,000,000 Richardson Hospital Authority, 6.0%, 12/1/34 3,243,750 1,000,000 Seguin Higher Education Facilities Corp. Revenue, 5 1,005,500 1,500,000 Texas State Student Housing Revenue, 6.5%, 9/1/34 1,585,605 $12,248,712 Vermont - 0.3% 1,295,000 Vermont Educational & Health Buildings Financing Ag $1,348,691 Virginia - 1.3% 1,500,000 Prince William County Industrial Development Hospit $1,571,955 3,925,000 Prince William County Industrial Development Hospit 4,137,971 $5,709,926 Washington - 4.4% 8,000,000 King County Washington Sewer Revenue, 5.0%, 1/1/35 $8,302,960 3,000,000 Spokane County General Obligation, 5.0%, 12/1/33 3,116,280 7,000,000 Tobacco Settlement Authority Revenue, 6.625%, 6/1/3 7,707,000 $19,126,240 West Virginia - 0.2% 1,000,000 Monongalia County Building Commission Hospital Reve $1,026,900 Wisconsin - 0.8% 3,500,000 Wisconsin State Health & Educational Facilities Aut $3,607,275 TOTAL TAX-EXEMPT OBLIGATIONS (Cost $306,699,410) (d) $322,167,057 Shares COMMON STOCKS - 33.1% of Net Assets Materials - 0.5% Diversified Chemicals - 0.5% 94,000 Olin Corp. $1,974,940 Construction Materials - 0.0% 3,950 Monarch Cement Co. $110,600 Steel - 0.0% 200 Worthington Industries, Inc. $3,920 Total Materials $2,089,460 Consumer Durables & Apparel - 1.3% Home Furnishings - 0.5% 50,000 Bassett Furniture Industries, Inc. $964,500 48,386 Kimball International, Inc. 685,630 33,700 Knape & Vogt Manufacturing Co. 621,428 $2,271,558 Housewares & Specialties - 0.8% 166,444 Tupperware Corp. $3,526,948 Total Consumer Durables & Apparel $5,798,506 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) Shares Value Consumer Services - 0.6% Specialized Consumer Services - 0.6% 200,227 ServiceMaster Co. $2,506,842 Total Consumer Services $2,506,842 Media - 0.9% Movies & Entertainment - 0.9% 206,487 Regal Entertainment Group $3,927,383 Total Media $3,927,383 Food, Beverage & Tobacco - 4.2% Tobacco - 4.2% 76,000 Altria Group, Inc. $5,464,400 172,872 Loews Corp. - Carolina Group 8,209,691 120,356 UST, Inc. 4,679,441 Total Food, Beverage & Tobacco $18,353,532 Pharmaceuticals & Biotechnology - 3.2% Pharmaceuticals - 3.2% 281,215 Bristol-Myers Squibb Co. $6,496,067 216,536 Merck & Co., Inc. 7,548,445 Total Pharmaceuticals & Biotechnology $14,044,512 Banks - 4.3% Diversified Banks - 0.8% 42,500 Bank of America Corp. $1,948,625 28,642 Wachovia Corp. 1,605,957 $3,554,582 Regional Banks - 3.0% 78,200 FirstMerit Corp. $1,934,668 81,550 KeyCorp 3,039,369 90,000 National City Corp. 3,132,000 67,800 Regions Financial Corp. 2,358,084 222,700 TrustCo Bank Corp., NY 2,799,339 $13,263,460 Thrifts & Mortgage Finance - 0.5% 50,000 Washington Mutual, Inc. $2,135,000 Total Banks $18,953,042 Telecommunication Services - 5.8% Integrated Telecommunication Services - 5.8% 461,012 AT&T, Inc. $12,719,321 182,750 BellSouth Corp. 5,771,245 493,100 Citizens Communications Co. 6,582,885 Total Telecommunication Services $25,073,451 Utilities - 12.3% Electric Utilities - 2.6% 138,400 Empire District Electric Co. $3,061,408 74,383 Great Plains Energy, Inc. 2,112,477 179,000 Southern Co. 6,091,370 $11,265,255 Gas Utilities - 1.0% 172,185 Atmos Energy Corp. $4,545,684 Multi-Utilities - 6.7% 137,135 Ameren Corp. $6,948,630 200,000 Consolidated Edison, Inc. 9,174,000 167,249 KeySpan Corp. 6,815,397 134,112 NSTAR 3,937,528 64,000 PG&E Corp. 2,435,200 $29,310,755 Independent Power Producers & Energy Trades - 2.0% 303,253 Duke Energy Corp. $8,612,385 Total Utilities $53,734,079 TOTAL COMMON STOCKS (Cost $133,967,539) $144,480,807 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) Shares Value NON-CONVERTIBLE PREFERRED STOCKS - 29.7% of Net Assets Energy - 1.1% Oil & Gas Exploration & Production- 1.1% 49,300 Apache Corp., Series B, 5.68% $4,909,974 Total Energy $4,909,974 Automobiles & Components - 0.1% Automobile Manufacturers - 0.1% 19,608 Ford Motor Co. Capital Trust II, 6.5% $585,626 Total Automobiles & Components $585,626 Banks - 9.7% Diversified Banks - 3.5% 94,000 Bank of America Corp., Series VI, 6.75% $4,944,400 105,000 Bank One Capital VI, 7.2% 2,644,471 27,000 Fleet Capital Trust VII, 7.2% 680,400 200,000 Royal Bank of Scotland Group Plc, Series L, 5.75% 4,840,000 71,000 Wachovia Preferred Funding Corp., Series A, 7.25% 1,980,900 $15,090,171 Thrifts & Mortgage Finance - 6.2% 21,500 Countrywide Capital IV, 6.75% $536,317 201,000 Fannie Mae, Series L, 5.125% 9,282,180 114,000 Fannie Mae, Series M, 4.75% 4,897,440 100,000 Fannie Mae, Series N, 5.5% 4,825,000 57,000 Freddie Mac, 5.81% 2,909,850 39,000 Freddie Mac, Series F, 5.0% 1,716,000 58,000 Freddie Mac, Series K, 5.79% 2,905,800 $27,072,587 Total Banks $42,162,758 Diversified Financials - 6.6% Other Diversified Financial Services - 2.4% 55,000 Citigroup Inc., Series G, 6.213% $2,813,800 81,500 Citigroup Inc., Series M, 5.864% 4,115,750 150,000 JP Morgan Chase Capital Trust XVI, 6.35% 3,787,500 $10,717,050 Consumer Finance - 1.0% 18,000 MBNA Capital, Series D, 8.125% $468,448 70,000 SLM Holdings Corp., Series A, 6.97% 3,906,000 $4,374,448 Investment Banking & Brokerage - 3.2% 57,000 Bear Stearns Companies, Inc., Series F, 5.72% $2,850,000 40,000 Bear Stearns Companies, Inc., Series G, 5.49% 1,964,800 100,000 Lehman Brothers Holdings, Inc., 6.5% 2,582,000 19,000 Lehman Brothers Holdings, Inc., Series C, 5.94% 969,190 30,000 Lehman Brothers Holdings, Inc., Series D, 5.67% 1,530,000 65,000 Merrill Lynch Preferred Capital Trust IV, 7.12% 1,666,538 87,000 Merrill Lynch Preferred Capital Trust V, 7.28% 2,257,790 $13,820,318 Total Diversified Financials $28,911,816 Insurance - 4.4% Life & Health Insurance - 0.9% 159,000 Scottish Re Group Ltd., 7.25% $4,038,600 Property & Casualty Insurance - 2.6% 110,000 ACE, Ltd., Series C, 7.8% $2,869,900 161,000 Berkley W.R. Capital Trust II, 6.75% 3,985,425 70,000 St. Paul Capital Trust I, 7.6% 1,759,929 109,000 XL Capital, Ltd., Series B, 7.625% 2,801,300 $11,416,554 Reinsurance - 0.9% 170,500 RenaissanceRe Holdings, Ltd., Series C, 6.08% $3,771,460 Total Insurance $19,226,614 Real Estate - 3.9% Real Estate Investment Trusts - 3.9% 15,000 Brandywine Realty Trust, Series C, 7.5% $382,650 34,500 Brandywine Realty Trust, Series D, 7.375% 876,300 27,000 Equity Office Properties Trust, Series G, 7.75% 680,400 92,000 Home Properties New York, Inc., Series F, 9.0% 2,346,920 40,000 Prologis Trust, Series G, 6.75% 1,012,800 128,000 PS Business Parks, Inc., Series H, 7.0% 3,169,280 32,440 PS Business Parks, Inc., Series I, 6.875% 801,268 124,000 Public Storage, Inc., Series F, 6.45% 3,025,600 35,480 Public Storage, Inc., Series T, 7.625% 908,643 53,500 Regency Centers Corp., 6.7% 1,309,680 94,000 Regency Centers Corp., Series C, 7.45% 2,368,800 Total Real Estate $16,882,341 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) Shares Value Utilities - 3.9% Electric Utilities - 3.1% 98,000 Alabama Power Co., 5.3% $2,453,068 113,000 Alabama Power Co., 5.83% 2,870,200 78,000 Interstate Power and Light Co., Series B, 8.375% 2,574,000 40,000 Mississippi Power Co., 5.25% 977,500 7,700 PPL Electric Utilities Corp., 4.5% 638,330 73,000 Southern California Edison Co., 4.32% 1,445,400 94,000 Virginia Power Capital Trust II, 7.375% 2,381,145 $13,339,643 Gas Utilities - 0.4% 62,000 Southern Union Co., Series C, 7.55% $1,630,600 Multi-Utilities - 0.5% 80,000 Energy East Capital Trust I, 8.25% $2,017,353 Total Utilities $16,987,596 TOTAL NON-CONVERTIBLE PREFERRED STOCKS (Cost $132,596,366) $129,666,725 CONVERTIBLE PREFERRED STOCKS - 2.2% of Net Assets Capital Goods - 0.4% Aerospace & Defense - 0.4% 15,000 Northrop Grumman Corp., 7.0% $1,950,000 Total Capital Goods $1,950,000 Diversified Financials - 1.3% Other Diversified Financial Services - 1.3% 161,000 Lazard, Ltd., 6.625% $5,596,360 Total Diversified Financials $5,596,360 Utilities - 0.5% Multi-Utilities - 0.5% 39,000 Dominion Resources, Inc., 8.75% $1,970,280 Total Utilities $1,970,280 TOTAL CONVERTIBLE PREFERRED STOCKS (Cost $8,083,510) $9,516,640 TAX-EXEMPT MONEY MARKET MUTUAL FUND - 0.1% of Net Assets 377,312 BlackRock Provident Institutional Municipal Fund $377,312 TOTAL TAX-EXEMPT MONEY MARKET MUTUAL FUND 323,868,684 (Cost $377,312) $377,312 TOTAL INVESTMENTS IN SECURITIES - 138.9% (Cost $581,724,137)(e) $606,208,541 OTHER ASSETS AND LIABILITIES - 1.5% $6,691,387 PREFERRED SHARES AT REDEMPTION VALUE, INCLUDING DIV $(176,347,428) NET ASSETS APPLICABLE TO COMMON SHAREOWNERS - 100.0 $436,552,500 (144A) Security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers in a transaction exempt from registration. At February 28, 2006, the value of these securities amounted $16,430,723 or 3.8% of total net assets. NR Security not rated by S&P or Moody's. (a) Security is in default and is non-income producing. (b) The interest rate is subject to change periodically and inversely based upon prevailing market rates. The interest rate shown is the rate at February 28, 2006. (c) Debt obligation initially issued at one coupon which converts to a higher coupon at a specific date. The rate shown is the rate at period end. Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/06 (unaudited) (continued) (e) At February 28, 2006, the net unrealized gain on investments based on cost for federal income tax purposes of $581,506,328 was as follows: Aggregate gross unrealized gain for all investments $33,145,569 Aggregate gross unrealized loss for all investments (8,443,356) Net unrealized gain $24,702,213 For financial reporting purposes net unrealized gain on investments was $24,484,404 and cost of investments aggregated $581,724,137. Portfolio Abbreviations RIB Residual Interest Bonds ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive officer or officers and principal financial officer or officers, or persons performing similar functions, about the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on their evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR240.13a-15(b) or 240.15d-15(b)). The registrant's certifying officers have determined that the registrant's disclosure controls and procedures are effective based on an evaluation of these controls and procedures as of a date within 90 days prior to the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There was no significant change in the registrant's internal controls over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2 under the Act (17 CFR 270.30a-2). Filed herewith. SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer Tax Advantaged Balanced Trust By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr, President Date April 28, 2006 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr., President Date April 28, 2006 By (Signature and Title)* /s/ Vincent Nave Vincent Nave, Treasurer Date April 28, 2006 * Print the name and title of each signing officer under his or her signature.