Assess available genuine evidence and the actual readiness of the TN case.
Do not turn an unanswered request into confirmation
Explain what has been requested and what remains unresolved. An employer’s desired start date cannot justify invented evidence or provide work authorization while the immigration basis is unsettled.
Work backward from the proposed start, but let evidence readiness control the filing or admission attempt. Record when clarification was requested, preserve delivery receipts, and identify alternative authentic proof such as tax slips, payroll statements, contracts, or corporate name-change records. Ask the US employer whether the start can move if the listed-profession qualification or prior experience remains unproven. For a Canadian, the procedural choices generally include applying for TN admission at a port of entry or having an employer file Form I-129. Neither an unanswered email nor a planned application authorizes work in the United States. The case must show Canadian or Mexican citizenship, qualifying credentials, prearranged professional duties, and no prohibited self-employment.
Hypothetical example: A graphic designer in Rivière-Éternité receives a US offer with a near-term start, but a former studio has not confirmed a reference under its old name. She assembles dated invoices, tax records, and archived correspondence while the employer adjusts onboarding. Counsel then assesses whether those records satisfy the designer category without pretending the studio replied. She does not enter the United States and begin producing US deliverables there merely because the intended start passed. A later response can supplement the truthful chronology, whereas invented confirmation would undermine it.