22.—Where—

(a) a grant or subsidy was paid by the Minister or a housing authority, being a grant or subsidy specified in a provision of this Act set out in column (2) of the Table to this section at any reference number in column (1) of the said Table on or after the date specified in column (3) of the said Table at that reference number but before the commencement of the said provision, and

(b) the grant or subsidy would have been a valid and effectual grant or subsidy, as the case may be, under the said provision if it had been paid after such commencement,

the grant or subsidy shall be as valid and effectual, and be deemed always to have been as valid and effectual, as if it had been paid after such commencement.

TABLE