N.Y. Comp. Codes R. & Regs. tit. 19, § 1209.3
(e) All plans shall indicate the location on the model of the insignia of approval.
(9) provide procedures for final inspection of the installed factory manufactured home or component.
(h) Quality control manual.
The quality control manual shall provide for:
(19) structural, plumbing, mechanical and electrical details.
(i) Requirements for the quality assurance agency.
The quality assurance agency shall:
(6) perform inspections of each factory manufactured home and render reports required to be made for an approved quality control program. Such inspections and reports shall include, but shall not be limited to, the following:
(f) Limitation on plan approval; requirement for periodic certification and reissuances.
A plan approval shall remain in effect for a period of two years from the date of issuance, unless earlier revoked. Upon expiration of such term specific application for reissuance of the plan approval must be made by the manufacturer, and such application shall contain a certification by the manufacturer that production conforms to plans approved and on file with the division.
(g) Quality control requirements.
It shall be the manufacturer's responsibility to execute every aspect of quality control, including responsibility for all inspections and corrective actions required. A contractual relationship with a quality assurance agency shall not diminish such responsibility. The manufacturer shall: