N.Y. PEP Law § 405

§ 405. Delivery of copy of contract or obligation; buyer's\nacknowledgment. The seller shall deliver to the buyer, or mail to him\nat his address shown on the contract or obligation, an executed copy\nthereof. Until the seller does so, a buyer who has not received the\ngoods or services shall have an unconditional right to cancel the\ncontract or obligation and to receive immediate refund of all payments\nmade and redelivery of all goods traded-in to the seller on account of\nor in contemplation of the contract or obligation. Any acknowledgment by\nthe buyer of delivery of a copy of the contract or obligation shall be\nprinted or written in a size equal to at least ten point bold type and,\nif contained in the contract or obligation, shall also appear directly\nabove the space reserved for the buyer's signature. The buyer's written\nacknowledgment, conforming to the requirements of this section, of\ndelivery of a copy of a contract or obligation shall be presumptive\nevidence of such delivery and of compliance with this section and\nsubdivision four of section four hundred two in any action or proceeding\nby or against an assignee of the contract or obligation without\nknowledge to the contrary when he purchases the contract or obligation.\n