The Michigan Friend of the Court (FOC) Act (Public Act 294 of 1982) requires the State Court Administrative Office (SCAO) to develop “a formula to be used as a guideline in establishing and modifying a child support amount”. The SCAO developed its first formula in 1987. The formula has been updated periodically over the years. The most recent update took effect as of January 1, 2013.  To learn more about these and other new changes, or to make suggestions and/or recommendations about the formula, visit the SCAO website at