the enforcement agent has power to enter the premises under paragraph 14 or 16 or under a warrant under paragraph 15;

he is acting under an enforcement power conferred by a warrant of control under section 76(1) of the Magistrates' Courts Act 1980 (c. 43) for the recovery of a sum adjudged to be paid by a conviction;

he is entitled to execute the warrant by virtue of section 125A (civilian enforcement officers) or 125B (approved enforcement agencies) of that Act.