In proceedings concerning a contract concluded by a person for a purpose which can be regarded as being outside his trade or profession, hereinafter called “the consumer", jurisdiction shall be determined by this Section, without prejudice to the provisions of Articles . . .5(5)and (8)(b), if it is:

1. 1

   a contract for the sale of goods on instalment credit terms or

2. 2

   a contract for a loan repayable by instalments, or for any other form of credit, made to finance the sale of goods, or

3. 3

   any other contract for the supply of goods or a contract for the supply of services and . . .the consumer took inthe part of the United Kingdom in which he is domiciledthe steps necessary for the conclusion of the contract.

   . . .

   This Section shall not apply to contracts of transportor insurance.