(f)in respect of the entries against serial number 14 thereof, if any payment on account of cash equivalent of leave salary is received from one or more than one employer in the same tax year (whether or not any such payment or payments was or were received in any earlier tax year), the aggregate amount of deduction shall not exceed—A – B,where,—A = the limit specified by the Central Government, by notification; andB = the aggregate amount of payment or payments which was received in any one or more earlier tax years and allowed as an exemption or a deduction (whether whole or part) from total income of any such tax year or years;