RULE 497 DOCUMENT
The interactive data file included as an exhibit to this Rule 497(e) filing relates to, and incorporates by reference, the supplement dated June 20, 2012 to the Capital Class Prospectus for BofA Connecticut Municipal Reserves and BofA Massachusetts Municipal Reserves that was filed with the Securities and Exchange Commission pursuant to Rule 497(e) under the Securities Act of 1933, as amended, on June 20, 2012 (Accession No. 0001104659-12-044746).
| Label | Element | Value | ||||||||||||||||||||
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| Risk/Return: | rr_RiskReturnAbstract | |||||||||||||||||||||
| Prospectus Date | rr_ProspectusDate | Jan. 01, 2012 | ||||||||||||||||||||
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BofA Connecticut Municipal Reserves (Prospectus Summary): | BofA Connecticut Municipal Reserves
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| Risk/Return: | rr_RiskReturnAbstract | |||||||||||||||||||||
| Risk/Return, Heading | rr_RiskReturnHeading | BofA Connecticut Municipal Reserves | ||||||||||||||||||||
| Supplement Text | ck0001477434_SupplementTextBlock |
BofA Funds Series Trust BofA Connecticut Municipal Reserves Supplement dated June 20, 2012 to the Funds' Capital Class Prospectus dated January 1, 2012, as supplemented on March 20, 2012
This Supplement provides new and additional information that supplements information contained in the prospectus (the "Prospectus") of the Funds referenced above. This Supplement should be read in conjunction with the Prospectus.
1. The section of the Prospectus entitled "BofA Connecticut Municipal Reserves — Performance Information" is deleted in its entirety and replaced with the following:
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| Performance, Information Illustrates Variability of Returns | rr_PerformanceInformationIllustratesVariabilityOfReturns | The following bar chart and table show you how the Fund has performed in the past, and can help you understand the risks of investing in the Fund. | ||||||||||||||||||||
| Performance, Availability Phone Number | rr_PerformanceAvailabilityPhone | 888.331.0904 (individual investors) or 800.353.0828 (institutional investors) | ||||||||||||||||||||
| Performance, Past Does Not Indicate Future | rr_PerformancePastDoesNotIndicateFuture | The Fund's past performance is no guarantee of how the Fund will perform in the future. | ||||||||||||||||||||
| Bar Chart and Performance Table, Heading | rr_BarChartAndPerformanceTableHeading | Performance Information | ||||||||||||||||||||
| Performance, Narrative | rr_PerformanceNarrativeTextBlock | The following bar chart and table show you how the Fund has performed in the past, and can help you understand the risks of investing in the Fund. On October 1, 2011, G-Trust shares and Retail A shares of the Fund converted into Capital Class shares of the Fund when Capital Class shares of the Fund were first offered. The financial information of Capital Class shares prior to this conversion is that of G-Trust shares, which reflects substantially the same expenses as those of Capital Class shares. If the historic financial information of Retail A shares was used instead of that of G-Trust shares, the total return for each period prior to the conversion would be lower due to the higher expenses applicable to Retail A shares. The returns shown for periods prior to January 1, 2010 are the returns of G-Trust shares of Columbia Connecticut Municipal Reserves, the predecessor to the Fund and a series of Columbia Funds Series Trust. For periods prior to November 23, 2005, the performance of the Fund's G-Trust shares represents that of the Galaxy Connecticut Municipal Money Market Fund's Trust shares, the predecessor to Columbia Connecticut Municipal Reserves' G-Trust shares. The Fund's past performance is no guarantee of how the Fund will perform in the future.
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| Bar Chart, Narrative | rr_BarChartNarrativeTextBlock | The bar chart below shows you how the performance of the Fund's Capital Class shares has varied from year to year. For the Fund's current 7-day yield, call BofA Funds family of mutual funds (the BofA Funds) at 888.331.0904 (individual investors) or 800.353.0828 (institutional investors) or contact your financial advisor.
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| Bar Chart, Heading | rr_BarChartHeading | Year by Year Total Return (%) as of December 31 Each Year* | ||||||||||||||||||||
| Bar Chart, Footnotes | rr_BarChartFootnotesTextBlock | * Year-to-date return as of March 31, 2012: 0.01%
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| Bar Chart, Closing | rr_BarChartClosingTextBlock | Best and Worst Quarterly Returns
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| Average Annual Returns, Caption | rr_AverageAnnualReturnCaption | Average Annual Total Return as of December 31, 2011 | ||||||||||||||||||||
| Money Market, Seven Day Yield, Phone Number | rr_MoneyMarketSevenDayYieldPhone | 888.331.0904 (individual investors) or 800.353.0828 (institutional investors) | ||||||||||||||||||||
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BofA Connecticut Municipal Reserves | Capital Class
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| Risk/Return: | rr_RiskReturnAbstract | |||||||||||||||||||||
| Trading Symbol | dei_TradingSymbol | BOCXX | ||||||||||||||||||||
| Year to Date Return, Label | rr_YearToDateReturnLabel | Year-to-date return | ||||||||||||||||||||
| Lowest Quarterly Return, Label | rr_LowestQuarterlyReturnLabel | Worst: | ||||||||||||||||||||
| Highest Quarterly Return, Label | rr_HighestQuarterlyReturnLabel | Best: | ||||||||||||||||||||
| Bar Chart, Year to Date Return, Date | rr_BarChartYearToDateReturnDate | Mar. 31, 2012 | ||||||||||||||||||||
| Bar Chart, Year to Date Return | rr_BarChartYearToDateReturn | 0.01% | ||||||||||||||||||||
| Lowest Quarterly Return, Date | rr_BarChartLowestQuarterlyReturnDate | Sep. 30, 2011 | ||||||||||||||||||||
| Lowest Quarterly Return | rr_BarChartLowestQuarterlyReturn | 0.01% | ||||||||||||||||||||
| Highest Quarterly Return, Date | rr_BarChartHighestQuarterlyReturnDate | Mar. 31, 2005 | ||||||||||||||||||||
| Highest Quarterly Return | rr_BarChartHighestQuarterlyReturn | 1.60% | ||||||||||||||||||||
| Annual Return 2005 | rr_AnnualReturn2005 | 1.91% | ||||||||||||||||||||
| Annual Return 2008 | rr_AnnualReturn2008 | 2.07% | ||||||||||||||||||||
| Annual Return 2007 | rr_AnnualReturn2007 | 3.48% | ||||||||||||||||||||
| Annual Return 2006 | rr_AnnualReturn2006 | 3.28% | ||||||||||||||||||||
| Annual Return 2011 | rr_AnnualReturn2011 | 0.14% | ||||||||||||||||||||
| Annual Return 2010 | rr_AnnualReturn2010 | 0.11% | ||||||||||||||||||||
| Annual Return 2009 | rr_AnnualReturn2009 | 0.33% | ||||||||||||||||||||
| Average Annual Returns, Label | rr_AverageAnnualReturnLabel | Capital Class Shares (3/1/04) | ||||||||||||||||||||
| Average Annual Returns, 1 Year | rr_AverageAnnualReturnYear01 | 0.14% | ||||||||||||||||||||
| Average Annual Returns, 5 Years | rr_AverageAnnualReturnYear05 | 1.22% | ||||||||||||||||||||
| Life of Fund | rr_AverageAnnualReturnSinceInception | 1.51% | ||||||||||||||||||||
| Average Annual Returns, Inception Date | rr_AverageAnnualReturnInceptionDate | Mar. 01, 2004 |