What is often required for a complete application for an OSSF installer exam?

For an OSSF installer exam application, notarized experience statements are often required to certify an applicant's qualifications and relevant work history in the field. These statements provide an official verification of the applicant's hands-on experience with on-site sewage facilities, ensuring that they possess the necessary skills and knowledge to perform installations safely and effectively. Notarization adds an extra layer of authenticity, indicating that the statements have been validated by a recognized authority.

While a detailed site plan, a letter of recommendation, and proof of employment may also be beneficial to include in an application, they do not typically serve as core requirements for the OSSF installer exam. The focus on notarized experience statements emphasizes the importance of practical experience in this field, aligning with the standards for ensuring that installers are knowledgeable and capable practitioners.