(e) The time limitations imposed by (c) and (d) of this section for exercising a vested general grant land entitlement do not apply to
- (1) the portion of an entitlement that cannot be satisfied by that date because of a shortage of land suitable for residential, commercial, and industrial purposes that is vacant, unappropriated, unreserved land;
- (2) the portion of an entitlement that cannot be satisfied because the land selected by a municipality has been selected by a party entitled to select land owned by the United States or the state; or
- (3) the portion of an entitlement that cannot be satisfied because the land nominated for selection by the municipality is not tentatively approved for patent to the state.