118.—(1) Dwellings of which a housing authority are the owner which—

(a) immediately before the commencement of this section were deemed, by virtue of section 16 of the Housing (Amendment) Act, 1954, to have been provided under the Housing of the Working Classes Acts, 1890 to 1958,

(b) immediately before the commencement of this section were deemed, by virtue of section 20 of the said Act, to have been provided under the Labourers Acts, 1883 to 1962, or

(c) are used by the authority for the purposes of this Act and which, apart from this section, would be dwellings not provided by the authority under this Act,

shall be deemed to be dwellings provided under this Act.

(2) A housing authority may, as respects a dwelling mentioned in subsection (1) of this section or a dwelling provided under this Act, certify that the dwelling is a dwelling so provided or a dwelling deemed to have been so provided, as may be appropriate, and in any proceedings a certificate issued by the authority under this subsection shall be prima facie evidence of the contents thereof and it shall not be necessary to prove any signature on the certificate.