close the gender pay gap and increase the minimum wage to $15 per hour. His first official action as governor was an executive order to support equal pay for women in the state government. In April 2018 he signed legislation making it illegal to pay a woman less than a man for the same job unless there is viable reason. In May 2018, Murphy signed into law legislation requiring that all employees be entitled to pay sick leave based on the previous year's number of worked hours. In January 2019 he worked with legislative leaders to reach an agreement to raise the minimum wage in 2019 to $10 per hour and to $15 per hour by 2024. Murphy signed the bill in February 2019 with the first wage hike to take effect by July 1, 2019 with the wage going up to $10 an hour. A law effective January 1, 2020 made it illegal to ask for previous salary histories. Immigrants Murphy has said that he would make the state more welcoming for its undocumented immigrant population. He has said he is committed to creating an Office of Immigrant Protection, to assist those facing deportation with legal assistance. The administration is seeking funds for law enforcement being withheld by the Trump administration for what it claims are sanctuary cities. New guidelines for how local police interact with ICE and immigrants became a source of contention for federal authorities. It has been challenged by some county governments. In April 2018, Murphy signed a bill to let unauthorized immigrants who are residents of New Jersey apply for college financial aid. On December 19, 2018 Murphy signed legislation paving the way for immigrants to receive drivers license without necessarily revealing their immigration status. Minimum age for legal marriage On June 22, 2018, Murphy signed a law raising the legal age for marriage in New Jersey to eighteen. Automatic voter registration In March 2018, Murphy signed legislation which automatically registers all those who apply for a driver's license or state ID to vote. Third gender birth certificates In July 2018 Murphy signed into law legislation to allow for third gender birth certificates, including the designation "X", which became effective January 2019. Limitations on solitary confinement In June 2019, Murphy signed a law severely restricting the use of solitary confinement in New Jersey prisons. Statute of limitations on sexual abuse In May 2019, Murphy signed