Let the slowest essential record inform the schedule. Obtain an estimated retrieval window from the institution, while recognizing it may change, and tell the employer what remains outside your control. Do not describe the file as ready simply because the offer letter and résumé are complete.
Set a review point for stalled retrieval
Choose a date to reassess progress and determine whether further requests, alternative evidence review or a different employment timeline is needed. Continue verifying other facts while waiting, but avoid signing a final employer statement that overstates the qualification evidence. Once records arrive, allow time to check award dates, names and any translations before using them.
Missing-record delays are different from government processing time; neither should be presented as a guaranteed turnaround or a reason to begin work without authorization. Set a review point rather than an open-ended wait, because institutional requests either move within a predictable window or they stall. Give each outstanding request a date by which a response is expected, and decide in advance what happens if it passes: escalate, approach an alternative custodian, or conclude that the record is unobtainable and take advice on what follows.
Keep the employer informed with specifics rather than reassurance, since a company told that documents are being gathered will assume a shorter timeline than one told which archive has been approached and when it responded last. Avoid resigning or committing to a start date while a document the category requires remains outstanding. Where the record ultimately cannot be produced, that is a finding, and the case should be reassessed on the facts as they stand rather than proceeding on hope.