II. Congresses and Conferences
483. Conception of Congresses and Conferences [533]
484. Parties to Congresses and Conferences [534]
485. Procedure at Congresses and Conferences [535]
III. Transactions besides Negotiation
486. Different kinds of Transaction [536]
487. Declaration [536]
488. Notification [537]
489. Protest [538]
490. Renunciation [539]