What are the requirements for the restrictive clauses of share transfer in British company law?

1. The shares of the Company held by the promoters shall not be transferred within one year from the date of establishment of the Company.

2. The shares issued before the public offering of the company's shares shall not be transferred within one year from the date of listing and trading of the company's shares on the stock exchange.

3. The articles of association may make other restrictive provisions on the transfer of shares held by directors, supervisors and senior managers of the company.