Complex sentence: According to Israeli law, an acting prime minister can perform the duties of prime minister for up to 100 days after the latter had become incapacitated, after which the Israeli President must appoint a new Prime Minister.
Split into simpler sentences: According to Israeli law, an Acting Prime Minister can perform the duties of prime minister for up to 100 days after the Prime Minister has become incapacitated. After 100 days, the Israeli President must appoint a new Prime Minister.