Section 11.11.01.126 - MAINTAINING POST INSTRUCTOR CERTIFICATIONS AND ENDORSEMENTS01.Renewal of High Liability Endorsement. High liability instructor endorsements are valid for two (2) years, except Firearms endorsements which are valid for one (1) year, provided the instructor remains in good standing and complies with all POST requirements for in-service training. To renew the endorsement, the instructor must comply with any additional provisions required by POST.02.Renewal of Master Instructor Certification. Master instructor certification is valid for three (3) years. To renew the certification, the instructor must comply with any additional provisions required by POST.03.Renewal of Canine Instructor Certification. Canine instructor certification is valid for two (2) years. To renew the certification, the instructor must comply with any additional provisions required by POST.04.Lapse of POST Instructor Certification. Except as otherwise set forth in these rules, POST instructor certification is valid indefinitely, provided it is not suspended or revoked, the instructor remains in good standing, and complies with all POST in-service training requirements.a. Instructors who fail to instruct for a period of two (2) years will be deemed inactive and may not instruct as a POST instructor until they have reapplied.b. Inactive instructors may be required to complete a POST approved instructor orientation course.Idaho Admin. Code r. 11.11.01.126