Существующие списки товаров и технологий, в отношении которых введены экспортные ограничения, сохраняются и после 31 марта до тех пор, пока не будут заключены новые соглашения.
If you have existing lists of goods and technologies for which introduced export restrictions remain and after 31 March until the new agreements will be concluded.
There are lists of goods and technologies, for which introduced export restrictions persist after March 31 and as long as no new agreements will be concluded.