(a) Publication in the Federal Register of a notice of an application or proposal for withdrawal, as provided in subpart 2310 of this title, segregates the lands described in the withdrawal application or proposal to the extent specified in the notice. The segregative effect becomes effective on the date of publication and extends for a period of 2 years unless sooner terminated as set out below.

(b) Segregations resulting from applications and proposals filed on or after October 21, 1976, terminate:

(1) Automatically upon the expiration of a 2 year period from the date of publication in the Federal Register of the notice of the filing of an application or proposal for withdrawal;

(2) Upon the publication in the Federal Register of a Public Land Order effecting the withdrawal in whole or in part;

(3) Upon the publication in the Federal Register of a notice denying the withdrawal application or proposal, in whole or in part, giving the date and time the lands shall be open; or

(4) Publication in the Federal Register of a notice of request for cancellation of a withdrawal application or proposal, in whole or in part, giving the date and time the lands are open.