Segregative effect of classifications and proposed classifications:

(a) Publication in the Federal Register of a notice of proposed classification pursuant to § 2461.1(a) or of a notice of classification pursuant to § 2461.2 will segregate the affected land to the extent indicated in the notice.

(b) The segregative effect of a proposed classification will terminate in one of the following ways:

(1) Classification of the lands within 2 years of publication of the notice of proposed classification in the Federal Register;

(2) Publication in the Federal Register of a notice of termination of the proposed classification;

(3) An Act of Congress;

(4) Expiration of a 2-year period from the date of publication of the notice of proposed classification without continuance as prescribed by the Classification and Multiple Use Act, or expiration of an additional period, not exceeding 2 years, if the required notice of proposed continuance is given.

(c) The segregative effect of a classification for retention will terminate in one of the following ways:

(1) Reclassification of the lands for some form of disposal;

(2) Publication in the Federal Register of a notice of termination of the classification;

(3) An Act of Congress;

(4) Expiration of the classification.