Article II Section 9 Pennsylvania Constitution
Article II Section 9 Constitution of the Commonwealth of Pennsylvania is about Election of Officers; Judge of Election and Qualifications of Members. Article II is titled The Legislature, it has 17 sections.
Election of Officers; Judge of Election and Qualifications of Members
The Senate shall, at the beginning and close of each regular session and at such other times as may be necessary, elect one of its members President protempore, who shall perform the duties of the Lieutenant Governor shall be vacant. The House of Representatives shall elect one of its members as Speaker. Each House shall choose its other officers, and shall judge of the election and qualifications of its members.
See also: Article II Section 8 Pennsylvania Constitution