In this Part:
"location allowance" means an allowance payable as part of salary or wages to an eligible employee because of special disadvantages or hardships associated with working or performing duties in a particular geographical locality.
"overtime payment" means an amount by way of salary or wages, not being a shift allowance within the meaning of Part 2A or an allowance referred to in paragraph 4(e), that is payable to an eligible employee as compensation for performance of work or duties during hours additional to the hours specified under his or her terms and conditions of employment as the eligible employee's normal hours of duty.