36.2. Every transaction to which section 36.1 applies is valid, and its validity cannot be contested if the documents relating to it bear the signature of the Minister or of a person designated by the Government in accordance with section 36.1, except where the cause of invalidity is established by the terms of the transaction.
Payments made by reason of such a transaction are also valid, and their validity cannot be contested except to the extent provided for in the first paragraph.