2 CFR § 1400.970 - Nonprocurement transaction (Department of the Interior supplement to the definition at 2 CFR 180.970).
In addition to those listed in 2 CFR 180.970, the Department of the Interior includes the following as nonprocurement transactions:
(a) Federal acquisition of a leasehold interest or any other interest in real property;
(b) Concession contracts;
(c) Disposition of Federal real and personal property and natural resources; and
(d) Any other nonprocurement transactions between the Department and a person.