xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
22. The light signals may only be placed in conjunction with the light signals provided for at item 21 and those provided for at item 1, 3 or 4.E+W+S
Commencement Information
I1Sch. 14 Pt. 6 para. 22 in force at 22.4.2016, see reg. 1(b)