Article 6 I1

Where an exhibition organiser requires or intends to require an exhibitor at an exhibition in a London exhibition hall belonging to a hall owner connected with the exhibition organiser to use the electrical contracting services of a particular person or of one of a number of particular persons, that person or each such person (as the case may be) shall notify his prices for those services in writing to each exhibitor before the exhibitor gives orders for them and before the exhibitor enters into a binding contract with the exhibition organiser to exhibit at the particular exhibition.

The requirement in paragraph (1) above shall not apply in respect of any such person not intending to supply such services at the particular exhibition.