(a) Persons that in their individual capacities:(1) own a single-family dwelling are not required to be a licensed installer in order to install or repair an on-site sewage facility (OSSF) on the individual's property. This provision does not apply to property that is to be developed for sale or lease. If the owner compensates a person to construct any portion of an OSSF, the individual performing the work shall be a licensed installer. The owner shall meet all permitting, construction, and maintenance requirements of the permitting authority. The site evaluation must be performed by an individual who possesses either a current site evaluator or a professional engineer license;(2) own a single-family dwelling that is serviced by an on-site sewage disposal system using aerobic treatment are not required to be a licensed installer in order to install or repair an OSSF servicing that single-family dwelling. Such person must meet all permitting, construction, and maintenance requirements of the permitting authority. If that person compensates a person to construct any portion of an OSSF, the individual performing the work must be a licensed installer. This provision does not apply to property that is developed for sale or lease;(3) elect to maintain the on-site sewage disposal system using aerobic treatment. The aerobic treatment system owner is not required to register with the agency as a maintenance provider, but must comply with the requirements of Chapter 285 of this title (relating to On-Site Sewage Facilities).(b) A licensed electrician who installs the electrical components, or a person that delivers a treatment or pump tank and sets the tank or tanks into an excavation, is not required to have an installer license.(c) A professional engineer may perform site evaluations without obtaining a site evaluator license. However, a professional engineer may obtain a site evaluator license by complying with the requirements in this subchapter.