(1) Supply includes
(a) all forms of supply of goods and/or services such as sale, transfer, barter, exchange, license, rental, lease or disposal made or agreed to be made for a consideration by a person in the course or furtherance of business,
(b) importation of service, whether or not for a consideration and whether or not in the course or furtherance of business, and
(c) a supply specified in Schedule I, made or agreed to be made without a consideration.
(2) Schedule II, in respect of matters mentioned therein, shall apply for determining what is, or is to be treated as a supply of goods or a supply of services.
(2A) Where a person acting as an agent who, for an agreed commission or brokerage, either supplies or receives any goods and/or services on behalf of any principal, the transaction between such principal and agent shall be deemed to be a supply.
(3) Subject to sub-section (2), the Central or a State Government may, upon recommendation of the Council, specify, by notification, the transactions that are to be treated as—
(i) a supply of goods and not as a supply of services; or
(ii) a supply of services and not as a supply of goods; or
(iii) neither a supply of goods nor a supply of services.
(4) Notwithstanding anything contained in sub-section (1), the supply of any branded service by an aggregator, as defined in section 43B, under a brand name or trade name owned by him shall be deemed to be a supply of the said service by the said aggregator.