noun

• 1The practice of making an official declaration that something complies with regulatory standards or procedures without independent substantiating evidence.

  More example sentences

  • ‘the applicability of self-certification to aircraft safety tests’

  1. 1.1British The practice, for the purpose of claiming sick pay, by which an employee rather than a doctor formally declares that an absence from work was due to illness.
     More example sentences

     • ‘evidence of ill health must be authenticated; self-certification will not be accepted’