recording officer "recording officer" means - (a) a police officer; (b) a proper officer of customs or excise (within the meaning of any written law in the Federation relating to customs and excise) whose function is to prevent or prosecute any registrable offence under such law; (c) a prison officer (within the meaning of any written law in the Federation relating to prisons) other than a prison officer who is an authenticating officer; or (d) an immigration officer whose function is to prevent or prosecute any registrable offence under any written law in the Federation relating to immigration; ACT 7 - REGISTRATION OF CRIMINALS AND UNDESIRABLE PERSONS ACT 1969 2. Interpretation.