1. Side-by-side formations shall carry:
(a) The masthead light prescribed in article 3.08, paragraph 1 (a), on each vessel; however, each non-motorized vessel may, instead of the masthead light, carry the white light prescribed in article 3.09, paragraph 3, visible from all directions, in a suitable position but not higher than the masthead light of the motorized vessel or vessels;
(b) The side lights prescribed in article 3.08, paragraph 1 (b); these lights shall be placed on the outside of the formation, so far as possible at the same height and at least 1 m below the lowest masthead light;
(c) The stern light prescribed in article 3.08, paragraph 1 (c), on each vessel.
2. The provisions of paragraph 1 above shall also apply to side-by-side formations preceded by night by one or more auxiliary motorized vessels.
3. The provisions of this article shall not apply to small craft propelling only small craft in a side-by-side formation, or to small craft so propelled.