Without prejudice to the measures decided on pursuant to United Nations Security Council Resolution 661 (1990) and related resolutions, Article 2 shall not apply:

(a) to claims relating to contracts or transactions, with the exception of any bond, financial guarantee or indemnity, in respect of which the persons or bodies referred to in the said Article prove to a court in the United Kingdom that the claim was accepted by the parties prior to the adoption of the measures decided on pursuant to United Nations Security Council Resolution 661 (1990) and related resolutions and that those measures have had no effect on the existence or content of the claim;

(b) to claims for payment under an insurance contract in respect of an event occurring prior to the adoption of the measures referred to in Article 2 or under an insurance contract where such insurance is compulsory under the law of the United Kingdom;

(c) to claims for payment of sums paid into an account payment from which was blocked pursuant to the measures referred to in Article 2 provided that such payment does not concern sums paid under bonds in respect of contracts referred to in the said Article;