If your bonus was, say, €1,000 and you were given the choice of the full bonus or a bonus of €500 and the voucher, would AAM (or more specially, would Revenue) consider that one would be accepting the voucher in lieu of pay?
I was thinking the same under salary sacrifice rules, but it appears that it would still be exempt from income tax as a qualifying incentive. From TCA:
112B Granting of vouchers
(1)In this section—
“benefit” means a tangible asset other than cash;
“qualifying incentive” means either a voucher or a benefit that is given to an employee by his or her employer in a year of assessment where the following conditions are satisfied:
(a)the voucher or the benefit does not form part of a salary sacrifice arrangement;
(b)the voucher can only be used to purchase goods or services and cannot be redeemed, in full or in part, for cash;
(c)the voucher or the benefit cannot exceed €500 in value;
(d)not more than one voucher or benefit can be given to that employee in any year of assessment;
“salary sacrifice arrangement” means any arrangement under which an employee forgoes the right to receive any part of his or her remuneration due under his or her terms or contract of employment and in return his or her employer agrees to provide him or her with a qualifying incentive.
(2)A qualifying incentive shall be exempt from income tax and shall not be reckoned in computing income for the purposes of the Income Tax Acts.