21.—(1) The registrar must omit protected information from the material on the register that is available for inspection where—
(a)it is contained in a document delivered to the registrar in which such information is required to be stated, and
(b)in the case of a document having more than one part, it is contained in a part of the document in which such information is required to be stated.
(2) The registrar is not obliged—
(a)to check other documents or (as the case may be) other parts of the document to ensure the absence of protected information, or
(b)to omit from the material that is available for public inspection anything registered before 1st October 2009.
(3) The registrar must not use or disclose protected information except—
(a)as permitted by regulations 22 to 24 (permitted use or disclosure by registrar), or
(b)in accordance with regulation 26 (disclosure under court order).