6.3.4.2 (a) Replace the second sentence with the following:
"This symbol shall not be used for any purpose other than certifying that a packaging, a portable tank or a MEGC complies with the relevant provisions in chapter 6.1, 6.2, 6.3, 6.5, 6.6 or 6.7;".
6.3.5.4.1 In the second sentence, after "not exceeding 6 mm" insert "(see below)".
6.3.5.4.2 In the third sentence, after "not exceeding 6 mm" insert "(see below)". And at the end, insert the following new figure: