It must also include in the vicinity of the rectangle the four-digit sequential number (with leading zeros as applicable) - hereinafter referred to as 'base approval number' - contained in Section 4 of the type-approval number shown on the EEC type-approval certificate issued for the type of device in question (see Annex IIIB), preceded by the two figures indicating the sequence number assigned to the most recent major technical amendment to Directive 72/245/EEC on the date EEC component type-approval was granted. In this Directive the sequence number is 02.