The SCOSE editions of the AIA documents and information regarding them can be found in Appendix J of the 2018 OSE Manual.
Section 5.3.5 of Chapter 5 of the OSE Manual states:
“OSE has adopted the following codes: Q. Latest edition of the American National Standards Institute, Inc. (ANSI) document A117.1, Accessible and Useable Buildings and Facilities.”
The latest edition of this document (now known as the ICC A117.1, Standard for Accessible and Useable Buildings and Facilities, American National Standard) is the 2017 edition.