A Practice Note outlining the key issues to consider when making a motion for either leave to reargue or leave to renew under Civil Practice Law and Rules (CPLR) 2221 in New York state supreme court. This Note explains what motions to reargue and renew are, the time limits for making each type of motion, the grounds that support each type of motion, the papers required to support the motions, where to make the motions, and the appealability of each type of motion.