(a) The executive director shall issue to the owner or operator of a boiler a certificate of operation for the boiler if after a certificate inspection:
(1) the boiler is found to be in a safe condition for operation; and
(2) the owner or operator has paid the fees assessed under Section 755.030.
(b) The certificate of operation is valid for not longer than the interval required for certificate inspections of that boiler.
(c) A certificate of operation must be posted in a conspicuous place on or near the boiler for which it is issued.