N.Y. Relig. Corp. Law § 90
An unincorporated Roman Catholic church in this state may become incorporated as a church by executing, acknowledging and filing a certificate of incorporation, stating the corporate name by which such church shall be known and the county, town, city or village where its principal place of worship is, or is intended to be, located.
A certificate of incorporation of an unincorporated Roman Catholic church shall be executed and acknowledged by the Roman Catholic archbishop or bishop, and the vicar-general of the diocese in which its place of worship is, and by the rector of the church, and by two laymen, members of such church who shall be selected by such officials, or by a majority of such officials.
On filing such certificate such church shall be a corporation by the name stated in the certificate.
N.Y. Relig. Corp. Law § 90