76. The Post Office as a carrier.

No proceedings in tort lie against an operator of a postal service in respect of loss or damage suffered by any person in connection with the provision of the service because of anything done or omitted to be done in relation to any postal packet in the course of transmission by post, or any omission to carry out arrangements for the collection of anything to be conveyed by post1. No officer, servant, employee, agent or sub-contractor of an operator nor any person engaged in or about the conveyance of postal packets is subject, except at the suit or instance