For the purposes of this Part—

• “armed forces” means the naval, military and air forces of the Crown;

• “child support maintenance” means child support maintenance calculated under Part 1 of Schedule 1 to the 1991 Act as amended by Schedule 4 to the 2008 Act;

• “committed to operations” means deployed on an operational tour of duty and includes pre-operational training and leave, rest and recuperation during an operational tour of duty and post-operational leave;

• “deduction from earnings order” means an order made under section 31(2) of the 1991 Act M1 and, with the exception of where it appears in regulation 12(4)(b) (waiver of an enforcement fee), includes a deduction from earnings request;

• “deduction from earnings request” means a request from the Secretary of State in respect of a non-resident parent, who is a member of the armed forces and who is liable to pay child support maintenance, for a sum to be deducted from that non-resident parent's pay and appropriated in or towards satisfaction of the non-resident parent's obligation to pay child support maintenance;

• “liability order” means an order made under section 33(3) of the 1991 Act;

• “lump sum deduction order” means an order made under section 32E(1) of the 1991 Act M2;

• “regular deduction order” means an order made under section 32A(1) of the 1991 Act M3.