1. Purpose
The purpose of this program is to provide a follow-up service for louvers tested in accordance with ANSI/AMCA Standard 540 and/or louvers tested in accordance with ANSI/AMCA Standard 550.

2. Scope
The products within the scope of this publication are louvers that are used for high wind and/or high intensity rain areas. This program shall apply only to a complete cataloged series of sizes. It shall not apply to individual sizes in a series or part of a series or special units on which catalog performance ratings are not published. A listing label may be obtained for a louver meeting the requirements of ANSI/AMCA Standard 540, ANSI/AMCA Standard 550 or both.

The AMCA International Listing Label Program shall be used only in connection with the specifically listed louver. It shall be used only on complete units. The application of the AMCA International Listing Label Program to individual component parts, such as blades, frames, etc., is not permitted.