(a) The Commissioner may delegate to the assistant commissioner for occupational safety and health any duty or function of the Commissioner under this title.

(b) (1) The Commissioner may enter into a written agreement with a governmental unit to delegate any power of inspection under this title.

(2) An agreement under this subsection shall:

(i) specify the procedure to be used in an inspection under the agreement;

(ii) enable the Commissioner to monitor an inspection power under the agreement; and

(iii) enable the Commissioner to revoke the agreement at any time.