During martial law, the main regulatory act that regulates settlements in foreign economic activity is Resolution of the National Bank of Ukraine No. 18 \u201cOn the operation of the banking system under martial law\u201d. It sets restrictions on cash withdrawals, currency purchases, and international settlements, as well as separately \u2013 on settlements with persons related to Russia or Belarus. Since October 3, 2023, the fixed exchange rate of the hryvnia previously provided for by this resolution has been canceled. The purchase of foreign currency and currency transfers abroad continues to be regulated according to the principle \u201canything that is not expressly permitted is prohibited\u201d. But there are dozens of exceptions to the general ban for specific cases. The settlement terms for the export and import of goods worth more than the equivalent of UAH 400,000 are 180 calendar days (except the export operations with some agricultural products where the indicated term is 90 calendar days).\u00a0Settlements with persons related to Russia or Belarus are generally prohibited, but there is a number of exceptions.<\/p>\n