(a) FAR 29.305 is modified for the FEGLI Program by substituting paragraph (b) of this section in the place of paragraph (b) of FAR 29.305.

(b) Furnishing proof of exemption. If a reasonable basis to sustain a claimed exemption exists, the seller will be furnished evidence of exemption if requested by the contractor and approved by the contracting officer or at the discretion of the contracting officer.