Section 51.4 - Date used to determine coverage; list of covered jurisdictions(a) The requirement of section 5 takes effect upon publication in the FEDERAL REGISTER of the requisite determinations of the Director of the Census and the Attorney General under section 4(b). These determinations are not reviewable in any court. (Section 4(b)).(b) Section 5 requires the preclearance of changes affecting voting made since the date used for the determination of coverage. For each covered jurisdiction that date is one of the following: November 1, 1964; November 1, 1968; or November 1, 1972.(c) The appendix to this part contains a list of covered jurisdictions, together with the applicable date used to determine coverage and the FEDERAL REGISTER citation for the determination of coverage.