Section 1903 - Limitations1. Unless a proceeding under this article to satisfy a debt of the decedent is brought within 18 months from the date when letters were issued to the original fiduciary and unless such letters were granted within 2 years after the date of the death of the decedent the title of a purchaser or mortgagee from the distributee or devisee of the decedent which was acquired before the proceeding was instituted cannot be affected in any way by the proceeding.2. A proceeding under this article to satisfy any debt cannot be maintained when the real property is exempt by law from levy and sale by virtue of an execution.3. A proceeding under this article to satisfy a legacy expressly or impliedly charged on the real property must be instituted within 10 years from the date of the death of the decedent.N.Y. Surr. Ct. Proc. Act Law § 1903