Retry Policy
According to the source documentation:
901: session expired/not registered → register a new session.5,8: login session expired → login/refresh depending on the flow.102,103: device not connected/login unsuccessful → handle authentication.997: extend the login session, then call the signing API again.- For Timestamp, the source describes
800,401,423as possibly requiring a TSA refresh;424may require logging in to the Account again.
Do not retry indefinitely.