1. The register must contain or specify—
(a)by 1st January 2019—
(i)the information specified in paragraph 2, but only in so far as the information can be readily determined from existing sources of available information; and
(ii)the information specified in paragraph 4;
(b)within 28 days of the date on which the information is first known (or becomes readily available) to the enforcing authority, the information specified in paragraph 3; and
(c)by 1st January 2022, any other information specified in paragraph 2.