Any person who assaults a custody officer—
acting in pursuance of escort arrangements;
performing custodial duties at a contracted out secure training centre; or
performing contracted out functions at a directly managed secure training centre,
shall be liable on summary conviction to a fine not exceeding level 5 on the standard scale or to imprisonment for a term not exceeding six months or to both.
Any person who resists or wilfully obstructs a custody officer—
acting in pursuance of escort arrangements;
performing custodial duties at a contracted out secure training centre; or
performing contracted out functions at a directly managed secure training centre,
shall be liable on summary conviction to a fine not exceeding level 3 on the standard scale.
For the purposes of this section, a custody officer shall not be regarded as acting in pursuance of escort arrangements at any time when he is not readily identifiable as such an officer (whether by means of a uniform or badge which he is wearing or otherwise).