New York Laws
Title 2 - Redemption
1112 - Redemption of Property Subject to More Than One Tax Lien.

(b) Failure to include such a statement on the receipt shall not
invalidate any tax lien or prevent the enforcement of the same as
provided by law.
3. When all of the liens against the parcel have been redeemed, a
certificate of redemption shall be issued upon request, as provided by
section eleven hundred ten of this article.