Commissioner for Oaths

A qualified lawyer who can administer an oath, take an affidavit or attest a signature where this is required by the court or for a specific type of document.

Administering oaths is a reserved legal activity, by virtue of Part 3 of the Legal Services Act 2007 (LSA), which means that only a qualified practising lawyer can perform it.

All of the main branches of the legal profession can administer oaths, including barristers, solicitors, notaries, legal executives, costs lawyers and licensed conveyancers.


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