Road Transport Act 1934
3.— A mechanically propelled vehicle shall be deemed to be a lorry within the meaning of the Principal Act, where the following conditions are complied with, that is to say:—
( a) such vehicle is constructed and designed for the carriage of passengers;
( b) such vehicle has sitting accommodation for not more than six passengers (excluding the driver);
( c) such vehicle is for the time being used for the carriage of newspapers for reward.