§ 504. Purchases of tree seeds, cones, forage plant seed, and nursery stock for national forests
The provisions of section
5 of title
41 shall not apply to any purchase by the Forest Service of forest-tree seed or cones or of forage plant seed when the amount involved does not exceed $10,000, nor to any purchase of forest-tree nursery stock when the amount involved does not exceed $500, whenever, in the discretion of the Secretary of Agriculture, such method is in the public interest.