N.Y. Estates, Powers & Trusts Law Section 3-3.1
What a testamentary disposition includes

3‑3.1
What a testamentary disposition includes 3‑3.2
Competence of attesting witness who is beneficiary 3‑3.3
Disposition to issue or brothers or sisters of testator not to 3‑3.4
Consequences of partly ineffective testamentary dispositions of 3‑3.5
Conditions qualifying dispositions 3‑3.6
Encumbrances on property of decedent or on proceeds of insurance 3‑3.7
Testamentary disposition to trustee under, or in accordance with 3‑3.8
Validity of a purchase of real property notwithstanding its 3‑3.9
Testamentary direction to purchase annuities