A housing authority may perform any duty under section 4 or 5 above to secure that accommodation becomes available for the occupation of a person—
by making available accommodation held by them under Part V of the Housing Act 1957 or Part VII of the Housing (Scotland) Act 1966 or under any other enactment, or
by securing that he obtains accommodation from some other person, or
by giving him such advice and assistance as will secure that he obtains accommodation from some other person.
At the end of section 113(2) of the Housing Act 1957 and section 151(2) of the Housing (Scotland) Act 1966 (priorities in selection of local authority tenants) there shall be added the words " and to persons towards whom they are subject to a duty under section 4 or 5 of the Housing (Homeless Persons) Act 1977 " .