(Amended by Ordinance Nos. 156924, 168183, 170576 and 176955, effective October 9, 2002.)  An application for a plumbing permit shall be made on an application form furnished by the Bureau of Development Services.  The application shall denote the name of the contractor who holds a State of Oregon Plumbing Contractor’s Registration the State Contractors Certification Board registration and the City of Portland’s Contractors Business License number.  However, an owner may sign an application for a plumbing permit under the regulation as stated in Section 25.04.050, and any person may sign and obtain a plumbing permit for the plugging of a sewer or for disconnection of a roof drain system on one and two-family dwellings.  An application for a permit for dry wells, or soakage trenches for storm water disposal may be taken out by an owner, plumbing contractor, or sewer contractor.