29 CFR 1902.16: Partial approval of State plans.

(a) The Assistant Secretary may partially approve a plan under this part whenever:

(1) The portion to be approved meets the requirements of this part;

(2) The plan covers more than one occupational safety and health issue; and

(3) Portions of the plan to be approved are reasonably separable from the remainder of the plan.

(b) Whenever the Assistant Secretary approves only a portion of a State plan, he may give notice to the State of an opportunity to show cause why a proceeding should not be commenced for disapproval of the remainder of the plan under subpart C of this part before commencing such a proceeding.