"Where an alteration in the law is made and a supplier has at any time entered into any agreement or contract in respect of the supply of goods and services with a recipient, unless express provision for the exclusion of any such alteration in the law is contained in the agreement or contract, or where the alteration in the law has been taken into account, every such agreement or contract shall be deemed to be modified as follows: (a) Where the alteration in the law renders that supply liable to be charged with tax or increases the amount of any tax charged or chargeable in relation to that supply, the supplier may add to the agreed price in the said agreement or contract the amount of that tax or the increase of that tax … Provided … that this subsection shall not apply to require a public authority to alter any amount agreed to be paid by the authority in respect of any supply of goods and services where the consideration for that supply is in the nature of a grant or subsidy."
"It is the character or quality of what is to be paid and of the consideration which is given which is crucial, not its receipt in the hands of the payee."
"It is the character or quality of what is to be paid and of the consideration which is given which is crucial, not its receipt in the hands of the payee. And the extending words 'in the nature of' make it clear that even if technically not a grant or subsidy, the consideration will come within the proviso if it is within the nature of a grant or subsidy ( cf Doak v Bedford[1964] 2 QB 587 , 594.) The transaction … [is] much more than an ordinary commercial contract specifying a commercial fee for a commercial service. … The contractor participates in the rest-home subsidy scheme and is 'retained' to provide the services described in the agreement. In turn, the Director-General is performing a standard function on behalf of the state of providing financial support in respect of residents who satisfy the dual criteria of assessed need and financial eligibility for the service. The full charge for the service recipient is met in part by the resident and as to the balance by the department under the rest-home subsidy scheme. …"
"Its decision recognised that the proviso was intended to clarify that no increase in a subsidy or grant would automatically follow to compensate for increases in GST."