For the purposes of this Regulation, the following definitions shall apply:

(a) "chemical weapons" means chemical weapons as defined in Article II of the Chemical Weapons Convention (CWC);

(b) "claim" means any claim, whether asserted by legal proceedings or not, made before or after the date of entry into force of this Regulation, under or in connection with a contract or transaction, and includes in particular: (i) a claim for performance of any obligation arising under or in connection with a contract or transaction; (ii) a claim for extension or payment of a bond, financial guarantee or indemnity of whatever form; (iii) a claim for compensation in respect of a contract or transaction; (iv) a counterclaim; (v) a claim for the recognition or enforcement, including by the procedure of exequatur, of a judgment, an arbitration award or an equivalent decision, wherever made or given;