; and (II) notifies the Congress and the President in writing of such approval, such disaster period, and such disaster area not less than 30 days before the commencement of the disaster period. (ii) Eligible mortgages The FHA may insure, or make a commitment to insure, a mortgage under authority under this subparagraph only if— (I) the mortgage is made for the purchase of a principal residence by a mortgagor whose home (that the mortgagor occupied as an owner or tenant) was located in a disaster area described under clause (iii) and was destroyed or damaged to such an extent that reconstruction is required, as a result of a major disaster declared by the President under the Robert T. Stafford Disaster Relief and Emergency Assistance Act; and (II) the commitment for mortgage insurance is made during the disaster period established under clause (iv) for such disaster area. (iii) Disaster area A disaster area may be established for purposes of this subparagraph only for the area affected by a major disaster, as declared by the President under the Robert T. Stafford Disaster Relief and Emergency Assistance Act, or a portion of such area, as determined by the FHA. (iv) Disaster period A disaster period established for purposes of this subparagraph shall— (I) commence upon or after the declaration of the major disaster referred to in clause (iii); and (v) terminate on the date certain approved by the Board of Directors under clause (i)(I) and contained in the notice under clause (i)(II), which shall not be later than 18 months after the commencement of the period. (b) Conforming amendments Section 203(b) of the National Housing Act ( 12 U.S.C. 1709(b) ) is amended— (1) by striking paragraph (2); and (2) in paragraph (9)— (A) by striking subparagraph (A)