Upon the basis of recommendations and information submitted by an area committee, or other available information, the Secretary, whenever he finds that it will tend to effectuate the declared purposes of the Act, shall modify, suspend, or terminate requirements in effect pursuant to §§ 948.20 to 948.22, inclusive, or §§ 948.40 or 948.77, or any combination thereof, to facilitate handling of potatoes for

(a) Relief or charity;

(b) Livestock feed;

(c) Export;

(d) Seed;

(e) Potatoes, other than certified seed, sold to a producer exclusively for planting within specific geographic limits;

(f) Manufacture or conversion into specified products;

(g) Other purposes recommended by the committees and approved by the Secretary.