http://www.legislation.gov.uk/id/ukpga/Geo4and1Will4/11/68

http://www.legislation.gov.uk/ukpga/Geo4and1Will4/11/68/section/10

Carriers Act 1830

An Act for the more effectual Protection of Mail Contractors, Stage Coach Proprietors, and other Common Carriers for Hire, against the Loss of or Injury to Parcels or Packages delivered to them for Conveyance or Custody, the Value and Contents of which shall not be declared to them by the Owners thereof.