Whenever used in this chapter, the following terms shall have the meanings herein defined unless the context clearly indicates otherwise:

(1) "Commission" shall mean the Washington state parks and recreation commission.

(2) "Director" shall mean the director of the Washington state parks and recreation commission or his designee.

(3) "Certificate" shall mean either the certificate to operate or the conditional certificate to operate.

(4) "Qualified engineer" shall mean an engineer meeting the requirements of the state of Washington Professional Engineers Registration Act (chapter 18.43 RCW).

(5) "Lift signing" shall mean all signs required to meet applicable codes as determined in WAC 352-44-060.