Complex sentence: The number of seats in the municipal council depends on the number of inhabitants, as set by the law: 7 seats for communes with less than 100 inhabitants up to 69 seats for municipalities with more that 300,000 people.
Split into simpler sentences: The number of seats in the municipal council is dependent on the number of inhabitants. This number is set by the law, 7 seats for municipalities with less than 100 inhabitants up to 69 seats for communes with more that 300,000 people.