Paragraph 17 F1

the symbol “AI”, indicating that the component or the separate technical unit is a combination of both a vehicle alarm system and an immobilizer, shall be varied, where appropriate, to either of the symbols “A” or “I” to indicate respectively that the component or separate technical unit is either a vehicle alarm system or an immobilizer;

the last four digits of the number to the right of the rectangle shall be varied so as to be the number of the approval document issued for the motor vehicle part concerned; and

the combination of any symbol referred to in sub-paragraph (a) above and the number referred to in sub-paragraph (b) shall be placed in the vicinity of the rectangle.