(a) With legal process.--Repossession of a motor vehicle when effected by legal process shall be made only by a duly constituted public official.
(b) Without legal process.--Repossession of a motor vehicle when effected otherwise than by legal process under subsection (a) shall be made only by the following:
(1) The holder.
(2) An official or full-time employee of the holder.
(3) A collector-repossessor licensed under this chapter.
(4) The person who originally sold the motor vehicle to the buyer under the installment sale contract.
(5) A licensed seller or sales finance company that is not regularly engaged in the business of repossessing motor vehicles but occasionally does so as an accommodation for another seller or sales finance company.
(6) An official or full-time employee of a licensed seller or sales finance company under paragraph (5).