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Article 16
The question whether the drawer is obliged to provide cover (provision) at maturity and whether the holder has special rights to this cover remains outside the scope of the Uniform Law.
The same applies to any other question concerning the legal relations on the basis of which the bill was issued.
Article 17
It is for the legislation of each of the High Contracting Parties to determine the causes of interruption or suspension of limitation (prescription) in the case of actions on bills of exchange which come before its courts.
The other High Contracting Parties are entitled to determine the conditions subject to which they will recognise such causes. The same applies to the effect of an action as a means of indicating the commencement of the period of limitation (prescription) laid down in Article 70, paragraph 3, of the Uniform Law.
Article 18
Each of the High Contracting Parties has the right to prescribe that certain business days shall be assimilated to legal holidays (jours feries legaux) as regards presentment for acceptance or payment and all other acts relating to bills of exchange.
Article 19
Each of the High Contracting Parties may determine the denomination to be adopted in the national laws for the instruments referred to in Article 75 of the Uniform Law, or may exempt them from any special denomination, provided that they contain an express mention that they are drawn to order.
Article 20
The provisions of Articles 1 to 18 of the present Annex with regard to bills of exchange apply likewise to promissory notes.
Article 21
Each of the High Contracting Parties reserves the right to restrict the undertaking mentioned in Article 1 of the Convention to the provisions dealing with bills of exchange only, and not to introduce into its territory the provisions dealing with promissory notes contained in Title II of the Uniform Law. In this case the High Contracting Party making use of this reservation shall only be regarded as a contracting party in respect of bills of exchange.
Each of the High Contracting Parties further reserves the right to embody the provisions concerning promissory notes in a special regulation, which shall exactly conform to the stipulations in Title II of the Uniform Law and which shall reproduce the rules on bills of exchange to which reference is made, subject only to the modifications resulting from Articles 75, 76, 77 and 78 of the Uniform Law and from Articles 19 and 20 of the present Annex.
Article 22
Each of the High Contracting Parties has the right to adopt exceptional measures of a general nature relating to the extension of the limits of time for conservatory measures in relation to recourse (actes conservatoires des recours) and to the extension of maturities.
Article 23
Each of the High Contracting Parties undertakes to recognise the provisions adopted by every other High Contracting Party in virtue of Articles 1 to 4, 6, 8 to 16 and 18 to 21 of the present Annex.
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