Allow time set by the regulator, not by the employer's preference. Reinstatement steps, any examination cycle, and document retrieval all run on external schedules. Establish those dates before agreeing a start date, and treat an earlier date as provisional until the requirements are confirmed.
Confirm external timelines first
Ask the regulator directly what the sequence is and what it depends on, then work back from the latest realistic date. Employers can usually accommodate a known delay far better than a start date that slips repeatedly. If the role can lawfully begin without the licence, say so explicitly in writing with the employer, so nobody is relying on an assumption.
Map the calendar backwards from the day the employer wants work to begin. Provincial licences renew on the regulator's schedule, and a lapse or pending renewal at the moment of application leaves the licence route unsupported. An employer’s desired start date cannot justify invented evidence or provide work authorization while the immigration basis is unsettled. Review applicable travel and filing requirements against the documents actually issued rather than promise a start date from the renewal application alone. Create three parallel timelines: completion of the foreign-credential review, satisfaction of any practice-licence condition, and acquisition of TN classification for the job.