Complex sentence: The Panama Case JIT had powers to investigate all respondents and related parties, including the prime minister, and was ordered to complete its investigation within 60 days and present its findings to the Supreme Court every 15 days.
Split into simpler sentences: The Panama Case JIT had powers to investigate all respondents, and related parties, including the prime minister. Moreover, the JIT was ordered to complete its investigation within 60 days and present its findings to the Supreme Court after every 15 days.