"Excepted local exchange carrier" means "excepted local exchange carrier" as defined in RSA 362:7 (c), I, namely "(1) An incumbent local exchange carrier providing telephone services to 25,000 or more lines; or (2) An incumbent local exchange carrier providing service to less than 25,000 lines that elects to be excepted, upon the filing with the commission of a written notice advising of said election; or (3) Any provider of telecommunications services that is not an incumbent local exchange carrier."
N.H. Admin. Code § Puc 1302.04