OAR 918-100-0070
OAR 918-100-0070. Issuance of Master Permits
Master permits shall be issued to the following persons electing to be inspected under the master permit program, if the jurisdiction offers this program:
(1) Structural and mechanical master permit. Contractors having a verified Construction Contractors Board registration, owner or operator of the covered facility.
(2) Plumbing:
(a) Plumbing contractors having a certificate of registration under ORS 447.030 and a verified Construction Contractors Board registration;
(b) Covered facilities having plumbing employees with a certificate of competency under ORS Chapter 693.