45 CFR § 12a.7 - Determination of availability.
(1) In the case of unutilized or underutilized property:
(i) An intention to declare the property excess,
(iii) The reasons why the property cannot be declared excess or made available for use to assist the homeless. The reasons given must be different than those listed as suitability criteria in § 12a.6.
(2) In the case of excess property which had previously been reported to GSA:
(ii) A statement that there is a further and compelling Federal need for the property (including a full explanation of such need) and that, therefore, the property is not presently available for use to assist the homeless.