When used in this article, the following terms shall mean:
Any individual, partnership, society, association, joint-stock company, corporation, estate, receiver, trustee, assignee, referee and any other person acting in a fiduciary or representative capacity, whether appointed by a court or otherwise, and any combination of the foregoing.
A person who purchases property or to whom are rendered services, the receipts from which are taxable under this enactment.
The amount of the sale price of any property and the charge for any service taxable under this enactment valued in money, whether received in money or otherwise, including any amount for which credit is allowed by the vendor to the purchaser, without any deduction for expenses or early payment discounts.
Any transfer of title or possession or both, exchange or barter, rental, lease or license to use or consume, conditional or otherwise, in any manner or by any means whatsoever for a consideration, or any agreement therefor, including the rendering of any service, taxable under this enactment for a consideration or any agreement therefor.
Includes:
A person making sales of property or services, the receipts from which are taxed by this enactment;
The State of New York or any of its agencies, instrumentalities, public corporations, including a public corporation created pursuant to agreement or compact with another state or Canada, or political subdivisions when such entity sells services or property of a kind ordinarily sold by private persons; and
Any salesman, representative, peddler or canvasser who is treated by the State Tax Commission as a vendor, pursuant to the provisions of § 1101(b)(8)(ii) of the Tax Law.