Complex sentence: The Provisional Independent Electoral Commission (PIEC) was established in 1996 to conduct national elections and transformed into the Independent Electoral Commission (IEC) in 1997 and became responsible for registration of voters and conduct of elections and referendums.
Split into simpler sentences: The Provisional Independent Electoral Commission (PIEC) was established in 1996 to conduct national elections. The PIEC was transformed to the Independent Electoral Commission (IEC) in 1997 and became responsible for registration of voters and conduct of elections and referendums.