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DUTYPROOF
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Inside DUTYPROOF

How a NOC reference letter becomes an actionable readiness check.

Three steps. Deterministic checks. One clear record of the duties and evidence the letter does or does not contain.

The process

From job description to a readiness result, in three steps.

Enter the claimed code and title, then paste the employment letter or duties.

Step 01

Load the official claimed NOC

DUTYPROOF reads the official NOC 2021 title, main duties, and occupation exclusions for the five-digit code you enter.

Official NOC 2021 data
Step 02

Check duty evidence and letter completeness

The checker looks for concrete evidence of official duties and verifies dates, hours, salary, status, title, employer contact details, and signature.

Duty gate · 9 evidence checks
Step 03

Return a gated verdict and correction list

Screening passes only when a share of the official duties is evidenced (at least two, more for long lists) and the checklist is complete. Otherwise, DUTYPROOF shows the gaps, exclusions, and alternate codes to investigate before submission.

Duty-evidence gate · PDF memo
Under the hood

Four checks. One explainable result.

The checker is deterministic. It does not invent duties or rely on an AI-generated legal score.

01

Duty-evidence gate

A title or generic phrase cannot pass screening. A share of the official duties, never fewer than two, needs distinct, meaningful evidence in the submitted text.

02

Reference-letter checklist

Nine work-evidence fields are marked found, missing, or uncertain, with the supporting excerpt shown when one exists.

03

Exclusions and alternatives

Official occupation exclusions and the closest alternate NOCs are surfaced so a questionable code can be investigated directly.

04

Copy and template warning

Verbatim overlap with official NOC wording is flagged so the letter can describe the real work in the employer's own language.

FAQ

Questions people actually ask.

The manual lists the occupation. DUTYPROOF checks whether the letter contains concrete evidence of official duties and the employment details needed for a useful reference-letter review.
Yes. The checker is built on NOC 2021 and is stream-agnostic. The user remains responsible for confirming the rules that apply to the specific immigration program.
The system returns Needs review, Not ready, or Insufficient info and lists the exact missing or uncertain evidence to request from the employer.
Audit results are saved to the signed-in account history, including short evidence excerpts, so the PDF can be generated again. We do not sell file contents or use them for advertising profiles. See the Privacy Policy for full details.
The checker uses the built-in official NOC 2021 titles, main duties, and exclusions, plus a deterministic reference-letter evidence checklist.
Yes. The readiness result, matched duty evidence, checklist findings, warnings, alternatives, and audit trail can be downloaded as a timestamped PDF memo.
No. It is an informational accuracy tool and structured second check. It does not provide legal advice, replace professional judgment, or guarantee an immigration outcome.

Run your first audit.

Start with one NOC reference-letter audit: paste the letter, review the duty evidence and missing fields, then download the memo.

Check your letter free See pricing
How DUTYPROOF Checks NOC Reference Letters