You can only aim to comply with this rule, they have always accepted that there may be circumstances where achievement may be updated after this period.
As long as the issues are outside of your control and processes it should not be an issue.
This has happened to us on occasions. On the front sheet of the learner profile at the bottom is a notes/comments box. I’ve added an explanation here where learners have been affected by delays with ABs etc and haven’t had a single issue with approval or sign off of evidence.