In this Part:
"appointment" means an appointment as an authority.
"authority" means a verifying, certifying or approving authority.
"certificate" does not include a certificate of verification of:
(a) an Australian primary or secondary standard of measurement; or
(b) a State primary standard of measurement.
"Chief Metrologist" includes:
(a) for cancellation of a certificate of verification or certificate issued under regulation 37--the verifying or certifying authority that issued the certificate; and
(b) for variation or cancellation of a certificate issued under regulation 48--the certifying authority that issued the certificate; and
(c) for variation, cancellation or withdrawal of a certificate of approval--the approving authority that issued the certificate.
"instrument" means:
(a) a certificate; or
(b) a permission under regulation 71; or
(c) an instrument of appointment.
"instrument holder" means:
(a) an authority; or
(b) the holder of a certificate.