The Security Council repeated its concern about the presence of armed groups in the east of the Democratic Republic of the Congo and condemned the illegal flow of weapons within and into the country. It was determined to monitor compliance with the arms embargo, and, noting that relevant parties had not complied with Security Council demands, extended the arms embargo until 31 July 2005.[2] The provisions of the embargo would be altered depending on compliance with the demands of the Council, in a review of the measures by 1 October 2004 and periodically thereafter.