Observer States taking part in operations for which the European Union avails itself of the WEU shall contribute to the common costs and any additional costs to the WEU budget incurred as a direct result of the operation in accordance with the cost-sharing formula in WEU document CM(95)5, Annex 1, Appendix 1, paragraph 3, or any subsequent WEU regulation(4).
Države opazovalke, ki sodelujejo v operacijah v katerih se Evropska unija obrne na ZEU, prispevajo v proračun ZEU k skupnim in vsem dodatnim izdatkom, nastalim kot neposredna posledica operacije v skladu s formulo delitve stroškov iz dokumenta ZEU CM(95)5, Priloga 1, Dodatek 1, odstavek 3 ali kot posledica drugih naknadnih predpisov ZEU fn.