PHTA follows the established Standards Development Policies and Procedures when developing American National Standards (ANS). These requirements are defined in the American National Standards Institute (ANSI) Essential Requirements: Due Process Requirements for American National Standards. PHTA's Procedures for American National Standards (ANS) was approved by ANSI on August 10, 2020, a revision that replaced the previous published procedures approved on November 23, 2015.
An ANS is a voluntary consensus standard that is developed in accordance with the ANSI Essential Requirements and subject to ANSI’s neutral oversight and approval. These requirements are designed to ensure that development of American National Standards is a fair and responsive process that is open to open to all directly and materially affected parties. The inclusiveness and integrity of the ANS process encourages participation by the broadest range of subject-matter experts, resulting in high-quality standards that protect the public and foster fair commerce and innovation.
Only ANSI-Accredited Standards Developers (ASDs), such as PHTA, can submit standards for approval as American National Standards. As an ANSI-Accredited Standards Developer (SDO), PHTA has voluntarily submitted its standards development procedures to ANSI for review and accreditation. Once accredited, an ASD agrees to comply with ANSI's oversight when submitting individual standards for approval as ANS, including provisions for demonstrating openness, balance, lack of dominance, due process, and consensus. PHTA is audited by ANSI for compliance every five years.