SCR1042 is a resolution expressing the Arizona State Legislature's support for the state of Texas and its efforts to secure the United States' southern border. The resolution specifically extends support to the people of Texas, the Texas National Guard, the Texas Department of Public Safety, Texas Governor Greg Abbott, and all personnel acting under lawful authority to secure the border. The resolution also encourages Arizona Governor Katie Hobbs to support secure borders and expresses the opinion that President Joe Biden should fulfill his constitutional duty to protect the states against invasion.

The resolution cites various articles and clauses from the U.S. Constitution, including Congress's power to make necessary laws (Article I, Section 8), the federal government's responsibility to protect states against invasion (Article IV, Section 4), and the states' right to engage in war when actually invaded or in imminent danger (Article I, Section 10, Clause 3). The resolution does not anticipate any fiscal impact to the state General Fund. It was prepared by Senate Research on February 12, 2024, and passed by the House and Senate on March 26 and February 22, 2024, respectively, before being filed with the Secretary of State on March 27, 2024.