(a) A change with respect to a docket number or other administrative designation is not required to be reported on an amended registration unless the docket number or other administrative designation is related to a subject matter category not previously reported by the registrant.(b) Except as necessary to report changed information, a registrant shall not report information about subject matter on an amended registration form that the registrant reported on the registration form or on a previous amended registration form.(c) A registrant is not required to report on an amended registration form reimbursement received for a lobby expenditure that the registrant will report on a lobby activity report.