Artikel 4.2

1. If salary amounts are fixed in a currency other than the local currency, HDPO may, after consultation with the head of mission, adjust them with effect from the first day of the following month if HDPO believes that devaluations, revaluations or other developments are bringing about an undesirable change in the salary amounts compared with usual local salary levels.
2. If a situation as referred to in paragraph 1 arises, the mission version will be amended as soon as possible with retroactive effect from the day referred to in paragraph 1.