Whelson reserves the right to employ sub-contractors and/or agents to act for it. In the event of it doing so, all the conditions exempting Whelson from liability, and requiring the customer to indemnify Whelson as hereby included and shall apply mutatis mutandis in favour of such sub-contractor and/or agent.

• In the event of Whelson employing a sub-contractor, Whelson shall act as agent only and the sub-contractor as principal and Whelson shall have no responsibility or liability to the customer for any act or omission on the part of the principal, notwithstanding that Whelson may be responsible for payment of the principal’s charges