in relation to the supply of goods or services to any person, includes any payment made or to be made (including any deposit on any returnable container and tax), whether in money or otherwise, or any act or forbearance, whether or not voluntary, in respect of, in response to, or for the inducement of, the supply of any goods or services. whether by that person or by any other person, but does not include any payment made by any person as a donation to any association not for gain;
Provided that a deposit (other than a deposit on a returnable container), whether refundable or not, given in respect of a supply of goods or services shall not be considered as payment made for the supply unless and until the supplier applies the deposit as consideration for the supply or such deposit is forfeited;