You will need a deregistration letter on a company letterhead stating:
the company has ceased all trading or is dormant,
the company owns no assets and cannot be liquidated,
include the company tax number,
the letter must be signed by at least 50% of the board.
Tax clearance or other SARS-certified document indicating no tax liability exists;
Certified copies of all Directors IDs not older than 3 months;
A letter from the bank indicating that a trust account has been opened in terms of section 20(1) of the Debt Collectors Act,1998 (Act 114 of 1998).
Letter from an auditor in respect of the Trust Account.
Proof of payment of the registration fees and annual subscription fees applicable. In the case of new companies or close corporations who want to register, the following documents must also be attached to the application: