It's a bit verbose – and also you have misunderstood the principle of the 1999 act. You don't enjoy rights under the act because Hermes are the beneficiaries. It's clear that Hermes are the beneficiaries because they have a direct contract with Packlink. It's you the noncontractual third-party who acquires third-party/proxy rights as a result of the 1999 Act. You are not a party to the contract and if it wasn't for the 1999 Act you would have no right of action under contract and you would