KYC file checklist and deficiency remediation letter template

Create a KYC onboarding checklist for {customer_type}.

Inputs:
- Products/services requested: {products}
- Jurisdiction(s): {jurisdictions}
- Required documents policy: {policy_requirements}
- Typical deficiencies encountered: {common_deficiencies}

Output:
1) Document checklist by category (identity, ownership, business, source of funds).
2) Internal verification steps and evidence retention guidance.
3) Client deficiency email/letter template with clear action items.
4) Escalation triggers for EDD and suspicious indicators.

Write in clear, professional language.