(a) The definitions of terms in the FECA, as amended, shall apply to terms used in this subpart.

(b) The provisions of the FECA, unless modified by this subpart or otherwise inapplicable, shall be applied whenever possible in the application of this subpart.

(c) The provisions of the regulations for the administration of the FECA, as amended or supplemented from time to time by instructions applicable to this subpart, shall apply in the administration of compensation under this subpart, whenever they can reasonably be applied.