‹ AU-2.3.1 AU-2.3.3 › AU-2.3.2 Past version: Effective from 19 Jul 2025 to 30 Jun 2007 To view other versions open the versions tab on the right Chapters GR-5 and GR-6 contains the BMA's requirements and definitions regarding controllers and close links. ‹ AU-2.3.1 AU-2.3.3 ›