SUNNYBILL — PAYMENT FOLLOW-UP LOG
Factual communication log, not a formal legal notice.

Invoice / client reference:
Original total / currency / due date:
Credits / payments / refunds checked on:
Verified remaining balance:
Verified accounts-payable contact:

CONTACT LOG
Date | Channel | Recipient | Facts shared | Response | Promised action/date

PROCESSING OBSTACLE
Missing purchase order / incorrect contact / supplier setup / other:
Action owner / expected resolution:

DISPUTE
Specific disputed line and amount:
Client's stated reason:
Scope, approval and delivery evidence:
Agreed points / unresolved points:

PAYMENT PROPOSAL
Amounts / dates / method / applicable agreement review:
Record actual payments separately from promises.

ESCALATION REVIEW
Relevant jurisdiction and contract process checked:
Advice or dispute-resolution service consulted:
Next lawful, proportionate action and review date:

CLOSURE
Payment / credit / refund evidence:
Date reminders stopped:
Unresolved balance, if any:

Avoid unnecessary personal or bank information. Retain records securely.
Formal notice, collection and retention requirements depend on jurisdiction.