(a) The unsuitability criteria shall only be applied, prior to lease issuance, to all lands leased after July 19, 1979.

(b) The unsuitability criteria shall be initially applied either:

(1) During land use planning or the environmental assessment conducted for a specific lease application; or

(2) During land use planning under the provisions of §3420.1-4 of this title.

[47 FR 33149, July 30, 1982. Redesignated at 52 FR 46473, Dec. 8, 1987]