(1) Subject to paragraph (2), in performing its, or his, functions under sections 7, 10, 12, 13, 14 or 17 of the 1993 Act, the appropriate Agency or chief inspector shall comply with paragraphs (3) and (4) where the following material is, or will be, kept, used, disposed of or accumulated on any premises—
(a) high-activity sources; or
(b) other sealed sources which, in the opinion of the appropriate Agency or the chief inspector, are of a similar level of potential hazard to high-activity sources.
(2) Paragraph (1) shall not apply where the premises are, or are part of, a nuclear site.
(3) Where paragraph (1) applies, the appropriate Agency or chief inspector, in considering if the measures taken, or to be taken, by the applicant or person granted the registration or authorisation ensure the adequate security of any premises, shall where it, or he, considers it appropriate—
(a) inspect those premises; and
(b) consult with the police and such other persons as it, or he, considers appropriate concerning the measures.
(4) Where paragraph (1) applies, the appropriate Agency or chief inspector shall have regard to any advice it, or he, receives from the police or other persons within such time as the appropriate Agency or chief inspector believes is reasonable before—
(a) determining the registration or authorisation or effecting any variation or cancellation of the registration or authorisation; or
(b) imposing any limitations and conditions on the registration or authorisation.
(5) Where the appropriate Agency or chief inspector inspect any premises under paragraph (3), it, or he, may be accompanied by such other persons as are appropriate to assist it, or him, in assessing the measures.
(6) An applicant or person holding a registration or authorisation shall permit the appropriate Agency or chief inspector (and any person accompanying them) reasonable access to any premises it, or he, wishes to inspect under paragraph (3).
(7) If an applicant or person holding a registration or authorisation fails to comply with paragraph (6), the appropriate Agency or chief inspector may refuse the application or cancel the registration or revoke the authorisation insofar as it relates to the sources referred to in paragraph (1).