Retirement allowance means the retirement payments to which a member is entitled.
Variable Costs means the Train Operator’s costs which vary as a result of a Category 3 Disruption, a Relevant Cancellation or a Relevant Service Variation (as the case may be) arising directly from changes in train mileage including staff, maintenance, fuel or electricity costs, and the Variable Charge.
NOx Allowance means an authorization to emit a specified amount of NOx that is allocated or issued under an emissions trading or marketable permit program of any kind that has been established under the Clean Air Act or a state implementation plan.
training allowance means an allowance (whether by way of periodical grants or otherwise) payable—
Monthly salary means the W-2 reportable compensation received by a member during the month.