Reference Number
Also known as: Ref. No., Reference
Definition
An identifier used to link an official letter to earlier correspondence or a case/file context for traceability and record-keeping.
Definition
A reference number is an identifier used to connect your letter to:
- a previous letter, or
- a file/case context used by an office.
Purpose
- Helps offices retrieve related records quickly
- Prevents confusion when multiple cases share similar topics
- Improves traceability in dispatch and filing systems
Usage (Best practice)
- Copy the reference number exactly from earlier correspondence if available.
- Do not invent reference numbers or official identifiers.
- If a reference number is unavailable, use date + subject + prior letter details instead.
Examples (Illustrative)
- “Reference: Your letter dated [DD/MM/YYYY] regarding [topic]”
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