Replaces language referring to residences being 'rendered uninhabitable' (and similar phrasing) with the phrase 'damaged by a major disaster' in the housing assistance eligibility provision.

Strikes the text beginning 'in cases in which' through the end of the paragraph and inserts a new condition allowing the assistance 'if the President determines such assistance is a cost effective alternative to other housing solutions, including the costs associated with temporary housing provided under this section.'

In clause (ii) removes the time‑limit preface 'Not later than 2 years after the date of enactment of this paragraph, the Administrator' (leaving 'The Administrator'); and in clause (iii) strikes specified punctuation as shown in the amendment.

Adds requirements and evidentiary standards for determinations under section 408(c) (42 U.S.C. 5174(c)) by directing the President to consider constructive ownership when evidence shows it is more likely than not, specifying acceptable forms of evidence, permitting a declarative statement under penalty of perjury (not requiring notarization), defining constructive ownership for purposes of section 408, and making the provisions applicable to funds appropriated on or after enactment.