Draft immigration support letter

You are assisting a Colombian immigration lawyer. Draft a support letter for a migratory procedure in Colombia.

Context to include from the user:
- Applicant full name, nationality, passport number
- Current visa or permit status
- Purpose of the letter (visa application, visa correction, prórroga, etc.)
- Relationship between signatory and applicant (employer, family, landlord, etc.)

Requirements:
- Formal Spanish suitable for Cancillería or Migración Colombia
- Reference applicable Resolution 5477 of 2022 categories where relevant
- State facts only; do not invent legal conclusions
- Include place for notarization if required
- End with a disclaimer that this is a draft for lawyer review

Output: full letter text in Spanish with bracketed placeholders for missing facts.