A/RES/59/38 Article 17 Effect of an arbitration agreement If a State enters into an agreement in writing with a foreign natural or juridical person to submit to arbitration differences relating to a commercial transaction, that State cannot invoke immunity from jurisdiction before a court of another State which is otherwise competent in a proceeding which relates to: (a) the validity, interpretation or application of the arbitration agreement; (b) the arbitration procedure; or (c) the confirmation or the setting aside of the award, unless the arbitration agreement otherwise provides. Part IV State immunity from measures of constraint in connection with proceedings before a court Article 18 State immunity from pre-judgment measures of constraint No pre-judgment measures of constraint, such as attachment or arrest, against property of a State may be taken in connection with a proceeding before a court of another State unless and except to the extent that: (a) the State has expressly consented to the taking of such measures as indicated: (i) by international agreement; (ii) by an arbitration agreement or in a written contract; or (iii) by a declaration before the court or by a written communication after a dispute between the parties has arisen; or (b) the State has allocated or earmarked property for the satisfaction of the claim which is the object of that proceeding. Article 19 State immunity from post-judgment measures of constraint No post-judgment measures of constraint, such as attachment, arrest or execution, against property of a State may be taken in connection with a proceeding before a court of another State unless and except to the extent that: (a) the State has expressly consented to the taking of such measures as indicated: (i) by international agreement; (ii) by an arbitration agreement or in a written contract; or (iii) by a declaration before the court or by a written communication after a dispute between the parties has arisen; or (b) the State has allocated or earmarked property for the satisfaction of the claim which is the object of that proceeding; or 9