This video provides an overview of the certification process .  For R2, there are slight variance so please refer to the R2 certification video.

https://synthesia-ttv-data.s3.amazonaws.com/video_data/978f9b3b-4841-4d0d-ae31-e86e5b309348/versions/8/audio/subtitles.srt?response-content-disposition=attachment%3Bfilename%3D%22Orion%20-%20Certification%20Process%20Overview.srt%22&AWSAccessKeyId=AKIA32NGJ5TSQOTYGMPR&Signature=nZCo6F3YBeE7abHY%2BcSrYRHK3tw%3D&Expires=1729641295

Orion - Certification Process Overview