5.—(1) As soon as reasonably practicable after the Department has complied with section 4(4) of the Act, the monitoring authority must assign all landfill allowances allocated to a district council under that section –
(a)to the district council’s landfill allowance account;
(b)a unique reference number (which may include any letter) from which the following information may be ascertained –
(i)the district council to which the allowance is allocated,
(ii)the year for which the allowance is allocated, and
(iii)the vintage of the allowance for that year.