Statutory period modification: replaces a fixed five-year term with a prescribed end date, effective retrospectively. The amendment substitutes the words in section 13(1) of the Unit Trust of India (Transfer of Undertaking and Repeal) Act, 2002, replacing the five-year period computed from the appointed day with a period beginning on the appointed day and ending on 31 March 2009, and declares the substitution to be deemed effective from 1 February 2008.