X0101 EFFECT 33 LIVE 2010-04-30 0000088053-10-000524 485APOS 0000797657 DWS ADVISOR FUNDS 033-07404 S000005730 NY Tax Free Money Fund C000015736 Investment Class S000005730 NY Tax Free Money Fund C000035515 Tax-Exempt New York Money Market Fund Class S000005732 Tax Free Money Fund Investment C000015745 Premier Shares S000005732 Tax Free Money Fund Investment C000070982 Institutional Shares S000012353 DWS RREEF Global Real Estate Securities Fund C000033584 Class A S000012353 DWS RREEF Global Real Estate Securities Fund C000033585 Class C S000012353 DWS RREEF Global Real Estate Securities Fund C000033586 Class S S000012353 DWS RREEF Global Real Estate Securities Fund C000033587 Institutional Class S000012431 DWS RREEF Real Estate Securities Fund C000033741 Class A S000012431 DWS RREEF Real Estate Securities Fund C000033742 Class B S000012431 DWS RREEF Real Estate Securities Fund C000033743 Class C S000012431 DWS RREEF Real Estate Securities Fund C000033744 Class R S000012431 DWS RREEF Real Estate Securities Fund C000033745 Class S S000012431 DWS RREEF Real Estate Securities Fund C000033746 Institutional Class