Continuation of Useful Resources to States Act or COURTS Act This bill extends funding through FY2023 for (1) the Promoting Safe and Stable Families Program, and (2) a formula-based grant program to improve foster-care and adoption proceedings in state courts. In addition, the bill makes changes to the latter program, including by requiring grantees to expend a portion of funds on data collection and data sharing activities and by reserving funding for a competitive grant program for tribal courts.