42 USC 5179 - Food coupons and distribution

(a) Persons eligible; terms and conditions 
Whenever the President determines that, as a result of a major disaster, low-income households are unable to purchase adequate amounts of nutritious food, he is authorized, under such terms and conditions as he may prescribe, to distribute through the Secretary of Agriculture or other appropriate agencies coupon allotments to such households pursuant to the provisions of the Food Stamp Act of 1964 (P.L. 91671; 84 Stat. 2048) [7 U.S.C. 2011 et seq.] and to make surplus commodities available pursuant to the provisions of this chapter.
(b) Duration of assistance; factors considered 
The President, through the Secretary of Agriculture or other appropriate agencies, is authorized to continue to make such coupon allotments and surplus commodities available to such households for so long as he determines necessary, taking into consideration such factors as he deems appropriate, including the consequences of the major disaster on the earning power of the households, to which assistance is made available under this section.
(c) Food Stamp Act provisions unaffected 
Nothing in this section shall be construed as amending or otherwise changing the provisions of the Food Stamp Act of 1964 [7 U.S.C. 2011 et seq.] except as they relate to the availability of food stamps in an area affected by a major disaster.