N.Y. Comp. Codes R. & Regs. tit. 22, § 202.6
(c) In the counties within the City of New York, when a request for judicial intervention is filed, the clerk shall require submission of a copy of the receipt of purchase of the index number provided by the county clerk, or a written statement of the county clerk that an index number was purchased in the action. Unless otherwise authorized by the Chief Administrator, the filing of a request for judicial intervention pursuant to this section shall cause the assignment of the action to a judge pursuant to section 202.3 of this Part. The clerk may require that a self-addressed and stamped envelope accompany the request for judicial intervention.