Act amending the conditions for the use of a loan granted under Government Decree No. 190 / 1997 Coll., on the granting of financial assistance in the area of housing to citizens affected by floods in 1997 or 1998, as amended, and the conditions for the use of a loan granted under Government Decree No. 148 / 1997 Coll., on the granting of an interest-free loan for housing construction, as amended