Write a paragraph telling him about the school, the good it does or could do for his subjects, and the pressing need it has. Download and print NYSTRS forms.Call our Hotline at 800-782-0289 to request forms be mailed to you. You may withdraw the cancellation at any time before it takes effect. I hope that this letter finds you in good health and high spirits. Voluntary Withdrawal: Voluntary withdrawal: One month written notice is required.