(a) The State Agency shall follow the procedure set forth in the Inspection Manual for the enforcement of the act and such supplements to or provisions thereof as may be issued from time to time by the Division or the Secretary of Labor; use official forms for recording findings; make reports as required; and carry on the work connected with the administration of the Acts in conformity with the plans and budget agreed upon and with the instructions and policies of the Division and the Secretary of Labor.

(b) Representatives of the Division and the Secretary of Labor may at any time, upon notifying the State agency, make such inspections and investigations and secure such information as may be necessary for the administration of the Acts.