changes in Commonwealth population or by law. A reapportionment or redistricting plan shall provide for contiguous and compact districts and for representation by each member of the house of representatives of approximately the same number of residents to the extent permitted by the separate islands and the distribution of population in the Commonwealth.

b) If the legislature fails to act pursuant to section 4(a), the governor shall promulgate a reapportionment or redistricting plan within one hundred twenty days after the expiration of the time for the legislature to act. The governor's plan shall be published in the same manner as an act of the legislature and upon publication shall have the force of law. Upon the petition of any person qualified to vote, the Commonwealth appeals court or thereconsideration to pass the bill, item, section or part, it shall become law.

d) Any appropriation bill, or any bill affecting spending authority, government financial management, or organization of the government, enacted in the period between a regular general election and the second Monday of January of the following year shall be void unless enacted by the affirmative vote of three-fourths of the members of each house of the legislature.

Section 8: Impeachment. The legislature may impeach those executive and judicial officers of the Commonwealth subject to impeachment under this Constitution. The house of representatives may initiate impeachment proceedings by the affirmative vote of two-thirds of its members and the senate may convict after hearing by the affirmative vote of two-thirds of its members.

Section 9: Vacancy. A vacancy in the