N.Y. General Business Law § 218-A
1. Every retail mercantile establishment shall conspicuously post, in the following manner, its refund policy as to all goods, wares or merchandise offered to the public for sale:
2. The sign, required by subdivision one of this section to be posted in every retail mercantile establishment, shall (a) state whether or not it is the policy of such establishment to give refunds and, if so, under what conditions, including but not limited to whether a refund will be given: