Code of Federal Regulations Title 41. Public Contracts and Property Management § 41.101–27.304–2 Factors affecting the economic retention limit

(1) The item is of special manufacture and relates to an end item of equipment which is expected to be in use beyond the economic retention time limit;  or

(2) Costs incident to holding an additional quantity are insignificant and obsolescence and deterioration of an item are unlikely.

(1) The related end item of equipment is being phased out or an interchangeable item is available;  or

(2) The item has limited storage life, is likely to become obsolete, or the age and condition of the item does not justify the full retention limit.