§ 59-a. Housing trust fund account. The housing trust fund corporation created by section forty-five-a of this chapter shall create and establish a special account to be known as the housing trust fund account and shall pay into such account any moneys which may be made available to such corporation for the purposes of such account from any source including but not limited to moneys appropriated by and made available pursuant to appropriation by the state and any income or interest earned by, or increment to, the account due to the investment thereof or loans made pursuant to article eighteen of this chapter. The moneys held in or credited to the housing trust fund account established under this section shall be expended solely to carry out the provisions of article eighteen of this chapter.