Special police officers of limited jurisdiction may be appointed for a term of not more than one year and as provided in section 2671, subsection 1. These officers have all the powers of a police officer, except as specifically provided by charter, ordinance or the certificate of appointment.   [PL 1987, c. 737, Pt. A, §2 (NEW); PL 1987, c. 737, Pt. C, §106 (NEW); PL 1989, c. 6 (AMD); PL 1989, c. 9, §2 (AMD); PL 1989, c. 104, Pt. C, §§8, 10 (AMD).]