OMB APPROVAL OMB Number: 3235-0578 Expires: May 31, 2007 Estimated average burden hours per response..... 21.09 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, 2007 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 2/28/07 Principal Amount Value TAX EXEMPT OBLIGATIONS - 70.4% Alabama - 1.7% 5,990,000 Birmingham Waterworks & Sewer Revenue, 5 $ 6,241,939 1,500,000 Sylacauga Health Care Authority Revenue, 1,578,870 $ 7,820,809 Arizona - 0.9% 1,000,000 Maricopa County Hospital Revenue, 5.0%, $ 1,029,450 1,000,000 Pima County Industrial Development Autho 1,084,310 995,000 Pima County Industrial Development Autho 1,070,550 1,000,000 Pima County Industrial Development Autho 1,066,530 $ 4,250,840 California - 3.5% 1,000,000 California Health Facilities Authority R $ 1,065,040 4,000,000 Golden State Tobacco Securitization Corp 4,584,320 9,655,00(aGolden State Tobacco Securitization Corp 10,969,528 $ 16,618,888 Connecticut - 1.3% 4,190,000 Connecticut State Development Authority $ 4,399,877 1,500,000 Mohegan Tribe Indians Gaming Authority, 1,557,465 $ 5,957,342 District of Columbia - 0.9% 4,000,000 District of Columbia Tobacco Settlement $ 4,405,360 Florida - 3.2% 1,105,000 Highlands County Health Facilities Autho $ 1,163,930 5,000,000+ Highlands County Health Facilities Autho 5,576,200 600,000 Madison County First Mortgage Revenue, 6 624,156 2,025,000 Miami Beach Health Facilities Authority, 2,062,118 500,000 Miami Beach Health Facilities Authority, 549,950 3,970,00(a)Tampa-Hillsborough County Expressway Aut 5,023,717 $ 15,000,071 Georgia - 4.8% 5,000,000 Burke County Development Authority Reven $ 5,070,250 9,580,00(a)Georgia Municipal Electric Authority Pow 11,915,700 2,500,000 Milledgeville-Baldwin County Development 2,707,250 2,500,000 Milledgeville-Baldwin County Development 2,723,750 $ 22,416,950 Illinois - 3.9% 3,000,000 Chicago Illinois General Obligation, 5.0 $ 3,166,830 4,580,000 Illinois Development Finance Authority R 4,877,425 5,000,000 Illinois Educational Facilities Authorit 5,247,900 2,000,000 Illinois Finance Authority Revenue, 5.5% 2,186,500 2,055,00(a)Illinois Finance Authority Revenue, RIB, 2,706,538 $ 18,185,193 Indiana - 0.9% 4,135,000 Indiana State Development Finance Author $ 4,297,547 Louisiana - 1.9% 8,335,000 Tobacco Settlement Financing Corp., 5.87 $ 8,909,448 Maryland - 1.7% 3,000,000 Frederick County Educational Facilities $ 3,228,690 1,000,000 Maryland State Economic Development Reve 1,027,130 750,000 Maryland State Economic Development Reve 770,347 1,000,000 Maryland State Economic Development Reve 1,012,250 2,000,000 Maryland State Health & Higher Education 2,111,840 $ 8,150,257 Massachusetts - 4.0% 2,000,000 Massachusetts Health & Educational Facil $ 2,107,500 1,550,000 Massachusetts Health & Educational Facil 1,588,440 1,600,000 Massachusetts Health & Educational Facil 1,641,744 2,120,000 Massachusetts Health & Educational Facil 2,196,723 900,000 Massachusetts Health & Educational Facil 990,072 2,750,000 Massachusetts Health & Educational Facil 3,014,247 2,000,000 Massachusetts State Development Finance 2,083,920 500,000 Massachusetts State Development Finance 517,330 1,100,000 Massachusetts State Development Finance 1,186,856 1,000,000 Massachusetts State Development Finance 1,073,350 2,000,000 +University of Massachusetts Building Aut 2,208,620 $ 18,608,802 Michigan - 1.8% 5,000,000 Macomb County Hospital Finance Authority $ 5,316,750 2,000,000 Michigan State Hospital Finance Authorit 2,072,720 1,000,000 Michigan State Hospital Finance Authorit 1,046,910 $ 8,436,380 Minnesota - 0.8% 2,000,000 Duluth Economic Development Authority He $ 2,114,500 1,500,000 Duluth Economic Development Authority He 1,574,820 $ 3,689,320 Missouri - 0.4% 1,720,000 Missouri State Health & Educational Auth $ 1,841,484 Montana - 0.2% 1,000,000 Montana Finance Authority Hospital Facil $ 1,036,870 Nebraska - 1.3% 4,980,00(aNebraska Public Power District Revenue, $ 6,029,137 Nevada - 1.5% 3,000,000 Clark County Industrial Development Reve $ 2,999,760 1,500,000 Henderson Nevada Health Care Facilities 1,629,795 2,500,000 Washoe County Water Facility Revenue, 5. 2,525,550 $ 7,155,105 New Hampshire - 0.6% 1,800,000+ New Hampshire Business Finance Authority $ 1,881,144 1,000,000 New Hampshire Health & Education Facilit 1,069,310 $ 2,950,454 New Jersey - 5.6% 1,250,000 Camden County Improvement Authority Reve $ 1,351,400 5,920,00(aGarden State Preservation Trust, RIB, 12 8,856,971 710,000 New Jersey Economic Development Authorit 739,934 1,230,000 New Jersey Economic Development Authorit 1,292,755 1,500,000 New Jersey Health Care Facilities Financ 1,462,755 5,000,000 New Jersey Health Care Facilities Financ 5,251,400 3,500,000 New Jersey Health Care Facilities Financ 3,585,365 3,000,000+ Tobacco Settlement Financing Corp., 6.25 3,423,690 $ 25,964,270 New Mexico - 0.6% 1,000,000 Dona Ana County PILT Revenue, 5.25%, 12/ $ 1,073,640 1,500,000 Farmington New Mexico Hospital Revenue, 1,561,920 $ 2,635,560 New York - 4.8% 2,000,000 Dutchess County Industrial Development A $ 2,234,180 1,000,000 New York City Industrial Development Age 1,063,020 1,000,000 New York City Industrial Development Age 1,089,410 8,820,00(bNew York City Transitional Finance Autho 7,359,496 5,000,000 Port Authority of New York & New Jersey 5,293,150 4,900,000 Triborough Bridge & Tunnel Authority, 5. 5,287,149 $ 22,326,405 North Carolina - 0.7% 1,000,000 North Carolina Capital Facilities Financ $ 1,046,360 1,000,000 North Carolina Capital Facilities Financ 1,042,550 1,000,000 North Carolina Medical Care Commission H 1,039,320 $ 3,128,230 Ohio - 1.4% 2,000,000 Cleveland Airport Special Revenue, 5.7%, $ 2,055,800 3,000,000+ Columbus City School District, 5.0%, 12/ 3,263,310 1,000,000 Hamilton County Hospital Facilities Reve 1,064,670 $ 6,383,780 Oregon - 0.6% 2,935,000 Oregon State Housing & Community Service $ 3,012,572 Pennsylvania - 2.6% 5,000,000+ Pennsylvania State Turnpike Commission O $ 5,391,450 3,000,000 Sayre Health Care Facilities Authority R 3,252,600 280,000 Scranton-Lackawanna Health and Welfare A 284,298 700,000 Scranton-Lackawanna Health and Welfare A 716,611 460,000 Scranton-Lackawanna Health and Welfare A 470,911 2,165,000 Swarthmore Borough Authority College Rev 2,254,155 $ 12,370,025 Puerto Rico - 3.2% 8,000,000+ Puerto Rico Commonwealth Highway & Trans $ 8,737,440 5,000,000 Puerto Rico Public Buildings Authority R 5,364,350 1,000,000 Puerto Rico Public Finance Corp., 5.75%, 1,074,260 $ 15,176,050 Rhode Island - 1.1% 1,640,000 Tobacco Settlement Financing Corp., 6.12 $ 1,750,684 3,100,000 Tobacco Settlement Financing Corp., 6.25 3,349,612 $ 5,100,296 South Carolina - 3.8% 6,000,000 Berkeley County School District Installm $ 6,247,260 5,000,000 Florence County Hospital Revenue, 5.25%, 5,381,900 3,500,000 Lexington County Health Services Distric 3,728,690 2,500,000 South Carolina Jobs Economic Development 2,669,950 $ 18,027,800 Tennessee - 0.6% 2,500,000 Knox County Health Educational & Housing $ 2,703,575 Texas - 3.4% 1,552,000 Houston Housing Financing Corp., 6.25%, $ 1,688,778 2,885,00(aHouston Utility System Revenue, RIB, 10. 3,654,718 2,750,000 Lower Colorado River Authority, 5.0%, 5/ 2,875,455 1,711,000 Panhandle Regional Housing Finance Corp. 1,889,235 3,000,000 Richardson Hospital Authority, 6.0%, 12/ 3,299,820 1,000,000 Seguin Higher Education Facilities Corp. 1,026,430 1,500,000 Texas State Student Housing Revenue, 6.5 1,620,210 $ 16,054,646 Vermont - 0.3% 1,295,000 Vermont Educational & Health Buildings F $ 1,358,131 Virginia - 2.1% 1,500,000 Prince William County Industrial Develop $ 1,602,510 3,925,000 Prince William County Industrial Develop 4,226,048 4,000,000 Virginia College Building Authority Reve 4,221,120 $ 10,049,678 Washington - 3.5% 8,000,000 King County Washington Sewer Revenue, 5. $ 8,388,960 7,000,000 Tobacco Settlement Authority Revenue, 6. 7,808,920 $ 16,197,880 Wisconsin - 0.8% 3,500,000 Wisconsin State Health & Educational Fac $ 3,628,205 TOTAL TAX-EXEMPT OBLIGATIONS (Cost $306,838,827) (c) $ 329,877,360 Shares COMMON STOCKS - 36.7% Energy - 0.8% Oil & Gas Storage & Transportation - 0.8% 142,876 Spectra Energy Corp. $ 3,676,199 Total Energy $ 3,676,199 Materials - 0.7% Diversified Chemicals - 0.3% 94,000 Olin Corp. $ 1,626,200 Construction Materials - 0.0% 3,950 Monarch Cement Co. $ 133,312 Diversified Metals & Mining - 0.4% 56,012 Compass Minerals International, Inc. $ 1,829,912 Steel - 0.0% 200 Worthington Industries, Inc. $ 3,984 Total Materials $ 3,593,408 Consumer Services & Supplies - 0.6% Commercial Printing - 0.6% 79,034 R.R. Donnelley & Sons Co. $ 2,859,450 Total Consumer Services & Supplies $ 2,859,450 Consumer Durables & Apparel - 1.1% Home Furnishings - 0.3% 50,000 Bassett Furniture Industries, Inc. $ 789,000 31,486 Kimball International, Inc. 662,151 $ 1,451,151 Housewares & Specialties - 0.8% 166,444 Tupperware Corp. $ 3,896,454 Total Consumer Durables & Apparel $ 5,347,605 Consumer Services - 0.6% Specialized Consumer Services - 0.6% 200,227 ServiceMaster Co. $ 2,735,101 Total Consumer Services $ 2,735,101 Media - 1.0% Movies & Entertainment - 0.9% 206,487 Regal Entertainment Group $ 4,412,627 Publishing - 0.1% 9,905 Idearc, Inc. $ 336,770 Total Media $ 4,749,397 Food, Beverage & Tobacco - 5.5% Tobacco - 5.5% 134,140 Altria Group, Inc. $ 11,305,319 172,872 Loews Corp. - Carolina Group 12,451,970 29,704 Reynolds American, Inc. 1,813,429 Total Food, Beverage & Tobacco $ 25,570,718 Pharmaceuticals, Biotechnology & Life Sciences - 3.9% Pharmaceuticals - 3.9% 329,758 Bristol-Myers Squibb Co. $ 8,702,314 216,536 Merck & Co., Inc. 9,562,230 Total Pharmaceuticals, Biotechnology & L $ 18,264,544 Banks - 3.6% Diversified Banks - 0.4% 28,642 Wachovia Corp. $ 1,585,908 Regional Banks - 1.9% 81,550 KeyCorp $ 3,077,697 90,000 National City Corp. 3,406,500 67,800 Regions Financial Corp. 2,428,596 $ 8,912,793 Thrifts & Mortgage Finance - 1.3% 222,700 TrustCo Bank Corp., NY $ 2,202,503 92,412 Washington Mutual, Inc. 3,981,109 $ 6,183,612 Total Banks $ 16,682,313 Diversified Financials - 0.5% Other Diversified Financial Services - 0.5% 42,500 Bank of America Corp. $ 2,161,975 Total Diversified Financials $ 2,161,975 Telecommunication Services - 9.1% Integrated Telecommunication Services - 9.1% 421,497 AT&T, Inc. $ 15,511,090 529,946 Citizens Communications Co. 7,986,286 198,116 Verizon, Communications, Inc. 7,415,482 790,184 Windstream Corp. 11,892,269 Total Telecommunication Services $ 42,805,127 Utilities - 9.3% Electric Utilities - 1.2% 138,400 Empire District Electric Co. $ 3,320,216 74,383 Great Plains Energy, Inc. 2,312,567 $ 5,632,783 Gas Utilities - 3.4% 81,249 AGL Resources, Inc. $ 3,309,272 395,466 Atmos Energy Corp. 12,465,088 $ 15,774,360 Multi-Utilities - 4.7% 137,135 Ameren Corp. $ 7,162,561 100,000 Consolidated Edison, Inc. 4,858,000 285,753 Duke Energy Corp. 5,626,477 134,112 NSTAR 4,587,972 $ 22,235,010 Total Utilities $ 43,642,153 TOTAL COMMON STOCKS (Cost $142,002,273) $ 172,087,990 NON-CONVERTIBLE PREFERRED STOCKS - 25.6% Energy - 1.1% Oil & Gas Exploration & Production- 1.1% 49,300 Apache Corp., Series B, 5.68% $ 4,940,787 Total Energy $ 4,940,787 Automobiles & Components - 0.4% Automobile Manufacturers - 0.4% 46,446 Ford Motor Co. Capital Trust II, 6.5% $ 1,699,633 Total Automobiles & Components $ 1,699,633 Banks - 6.3% Diversified Banks - 3.3% 105,000 Bank One Capital VI, 7.2% $ 2,634,975 120,000 Barclays Bank Plc, Series 2, 6.625% 3,134,400 120,000 HSBC Holdings Plc, Series A, 6.20%, 3,013,200 200,000 Royal Bank of Scotland Group Plc, Series 4,860,000 71,000 Wachovia Preferred Funding Corp., Series 1,992,970 $ 15,635,545 Thrifts & Mortgage Finance - 3.0% 56,980 Countrywide Capital V, 7.0% $ 1,395,617 100,000 Fannie Mae, Series N, 5.5% 4,950,000 57,000 Freddie Mac, 5.81% 2,921,250 39,000 Freddie Mac, Series F, 5.0% 1,875,900 58,000 Freddie Mac, Series K, 5.79% 2,924,360 $ 14,067,127 Total Banks $ 29,702,672 Diversified Financials - 7.7% Other Diversified Financial Services - 3.9% 49,000 ABN Amro Capital Fund Trust VII, 6.08% $ 1,225,980 120,000 Bank of America Corp., Series D, 6.204% 3,198,000 55,000 Citigroup, Inc., Series G, 6.213% 2,774,750 81,500 Citigroup, Inc., Series M, 5.864% 4,101,895 120,000 Deustche Bank Capital Funding Trust VIII 3,090,000 150,000 JPMorgan Chase Capital Trust XVI, 6.35% 3,771,000 $ 18,161,625 Consumer Finance - 0.9% 18,000 MBNA Capital, Series D, 8.125% $ 455,708 70,000 SLM Holdings Corp., Series A, 6.97% 3,710,000 $ 4,165,708 Investment Banking & Brokerage - 2.9% 57,000 Bear Stearns Companies, Inc., Series F, $ 2,850,000 40,000 Bear Stearns Companies, Inc., Series G, 1,998,000 100,000 Lehman Brothers Holdings, Inc., 6.5% 2,609,000 19,000 Lehman Brothers Holdings, Inc., Series C 966,150 30,000 Lehman Brothers Holdings, Inc., Series D 1,512,000 65,000 Merrill Lynch Preferred Capital Trust IV 1,652,845 87,000 Merrill Lynch Preferred Capital Trust V, 2,228,210 $ 13,816,205 Total Diversified Financials $ 36,143,538 Insurance - 3.6% Life & Health Insurance - 0.7% 159,000 Scottish Re Group, Ltd., 7.25% $ 3,261,090 Property & Casualty Insurance 2.0% 110,000 ACE, Ltd., Series C, 7.8% $ 2,824,800 161,000 Berkley W.R. Capital Trust II, 6.75% 4,041,508 109,000 XL Capital, Ltd., Series B, 7.625% 2,789,310 $ 9,655,618 Reinsurance - 0.9% 170,500 RenaissanceRe Holdings, Ltd., Series C, $ 4,115,870 Total Insurance $ 17,032,578 Real Estate - 3.3% Diversification Real Estate Investment Trust - 0.9% 128,000 PS Business Parks, Inc., Series H, 7.0% $ 3,240,960 32,440 PS Business Parks, Inc., Series I, 6.875 816,191 $ 4,057,151 Industrial Real Estate Investment Trust - 0.2% 40,000 Prologis Trust, Series G, 6.75% $ 1,022,000 Office Real Estate Investment Trust - 0.3% 15,000 Brandywine Realty Trust, Series C, 7.5% $ 385,350 34,500 Brandywine Realty Trust, Series D, 7.375 914,250 $ 1,299,600 Residential Real Estate Investment Trust - 0.5% 92,000 Home Properties New York, Inc., Series F $ 2,303,680 Retail Real Estate Investment Trust - 0.8% 94,000 Regency Centers Corp., Series C, 7.45% $ 2,391,360 53,500 Regency Centers Corp., Series E 6.7% 1,332,150 $ 3,723,510 Specialized Real Estate Investment Trust - 0.6% 124,000 Public Storage, Inc., Series F, 6.45% $ 3,082,640 Total Real Estate $ 15,488,581 Utilities - 3.2% Electric Utilities - 2.8% 98,000 Alabama Power Co., 5.3% $ 2,477,568 113,000 Alabama Power Co., 5.83% 2,825,000 78,000 Interstate Power and Light Co., Series B 2,458,560 40,000 Mississippi Power Co., 5.25% 992,500 7,700 PPL Electric Utilities Corp., 4.5% 660,660 73,000 Southern California Edison Co., 4.32% 1,481,900 94,000 Virginia Power Capital Trust II, 7.375% 2,368,457 $ 13,264,645 Gas Utilities - 0.4% 62,000 Southern Union Co., Series C, 7.55% $ 1,613,240 Total Utilities $ 14,877,885 TOTAL NON-CONVERTIBLE PREFERRED STOCKS (Cost $121,408,829) $ 119,885,674 CONVERTIBLE PREFERRED STOCKS - 2.3% Capital Goods - 0.5% Aerospace & Defense - 0.5% 15,000 Northrop Grumman Corp., 7.0% $ 2,062,500 Total Capital Goods $ 2,062,500 Diversified Financials - 1.5% Other Diversified Financial Services - 1.5% 161,000 Lazard, Ltd., 6.625% $ 7,195,090 Total Diversified Financials $ 7,195,090 Insurance - 0.3% Property & Casualty Insurance - 0.3% 47,919 XL Capital, Ltd., Class A, 7.0% $ 1,251,165 Total Insurance $ 1,251,165 TOTAL CONVERTIBLE PREFERRED STOCKS (Cost $7,130,041) $ 10,508,755 TAX-EXEMPT MONEY MARKET MUTUAL FUND - 1.4% 6,727,170 BlackRock Provident Institutional Munici $ 6,727,170 TOTAL TAX-EXEMPT MONEY MARKET MUTUAL FUND (Cost $6,727,170) $ 6,727,170 TOTAL INVESTMENTS IN SECURITIES - 136.4% (Cost $584,107,140) (d) $ 639,086,949 OTHER ASSETS AND LIABILITIES - 1.2% $ 5,808,031 PREFERRED SHARES AT REDEMPTION VALUE, INCLUDING DIVIDENDS PAYABLE - (37.6%) $ (176,380,153) NET ASSETS APPLICABLE TO COMMON SHAREOWNERS - 100.0% $ 468,514,827 (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, 2007, the value of these securities amounted $49,156,309, or 10.5% of total net assets. + Prerefunded bonds have been collateralized by U.S. Treasury securities which are held in escrow to pay interest and principal on the tax exempt issue and to retire the bonds in full at the earliest refunding date. (a) 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, 2007. (b) 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. (c) The concentration of tax-exempt investments by type of obligation/market sector is as follows: Insured % Revenue Bonds: Health Revenue 25.5 Tobacco Revenue 13.7 Development Revenue 9.8 Education Revenue 8.6 Other 3.2 Transportation Revenue 4.2 Housing Revenue 1.9 School District Revenue 1.9 Pollution Control Revenue 1.3 Water Revenue 0.8 Airport Revenue 0.6 Gaming Revenue 0.5 % (d) At February 28, 2007, the net unrealized gain on investments based on cost for federal income tax purposes of $583,885,706 was as follows: Aggregate gross unrealized gain for all investments in which there is an excess of value ove $ 60,007,252 Aggregate gross unrealized loss for all investments in which there is an excess of tax cost (4,806,009) Net unrealized gain $ 55,201,243 For financial reporting purposes net unrealized gain on investments was $54,979,809 and cost of investments aggregated $584,107,140. 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 principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on their evaluation of these controls and procedures as of a date within 90 days of 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 were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are 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 27, 2007 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 27, 2007 By (Signature and Title)* /s/ Vincent Nave Vincent Nave, Treasurer Date April 27, 2007 * Print the name and title of each signing officer under his or her signature.