made available in a fiscal year to carry out section 8(o)(19) of the United States Housing Act of 1937 ( 42 U.S.C. 1437f(o)(19) ) from a specific purpose program to a general purpose program unless the Secretary included a proposal to do so in the budget justification materials submitted to Congress in support of the Department of Veterans Affairs budget for such fiscal year (as submitted with the budget of the President for such fiscal year under section 1105(a) of title 31, United States Code).