Indiana Guard Reserve) or the Indiana National Guard in times of emergency or disaster. The governor is also charged with the enforcement of all the state's laws and the Indiana Code through the Indiana State Police. The governor also has the ability to grant a pardon or commutation of sentence of any person convicted of a crime in the state, except in cases of treason or impeachment. In addition to constitutional powers, governors also have a considerable degree of statutory authority. Most of the authority exercised by governors on a daily basis is derived from statute, giving the General Assembly a great degree of power to expand or contract the governor's authority. Historically, the party in control of the General Assembly would reassign control of agencies from the governor or to the governor based upon party affiliation, and the party affiliation of the cabinet heads, which at times has left the governor with no direct control over state agencies. The governor also can influence the state court system through the appointment of judges. In Indiana, when vacancies occur on the Supreme Court, Tax Court, and circuit courts, the Judicial Nominating Commission interviews candidates and sends a list of three candidates for each vacancy to the governor, who chooses one. Justices of the peace and superior courts judges are elected in Indiana; if a vacancy occurs (such as by death or resignation) the governor may make an appointment, who holds the office until the next general election. The authority to make such appointments gives the governor considerable sway in setting the makeup of the judiciary. The annual salary of the governor of Indiana is US$111,688 (2015). Additionally, he receives $6,000 annually for discretionary spending and expenses. Requirements To become governor of Indiana, a candidate must be a citizen of the United States and must have been a resident of the state in which they are running for the period of five consecutive years before the election. The candidate must also be at least 30 years old when sworn into office. The governor may not hold any other state or federal office during his term and must resign from any such position before being eligible to be sworn in as governor. Before taking the office, the candidate must swear an oath of office administered by the Chief Justice of the Indiana Supreme Court, promising to uphold the Constitution and laws of the