No. Employer and reference expectations do not replace the actual immigration process. Confirm permission for the proposed work.
Use accurate dates
Do not backdate or recast prior responsibilities to support a desired timetable. Describe changes to the offer honestly.
Review current entry procedures before booking travel, and if the employer, the duties, or the assignment changes, ask for a fresh review rather than assuming the original plan still applies. The sequence that causes problems is the reverse, where the equity is executed as part of a compensation package and the immigration question surfaces weeks later when a support letter is being drafted. Set a specific milestone for receiving corrected, consistent documents, and only build the rest of the timeline, including any planned start date, around the confirmed corrected assignment dates. Set a realistic timeline for gathering new evidence, confirm the employer still wants to proceed, and keep the applicant's other plans, resignation, travel, housing, flexible until the reviewed strategy is in place. Renewal is also the step most often started last, once the offer, the credentials and the travel dates are already settled, and that ordering is exactly what turns a routine errand into an emergency.