The phrase "last duties" refers to the final tasks that need to be completed before closing off a project or event. Some synonyms for this phrase include "final tasks," "closing duties," "end obligations," or "concluding responsibilities." Other phrases that convey a sense of wrapping up or completing something include "finishing touches," "last-minute details," or "final preparations." It's important to pay close attention to last duties, as they often involve important paperwork or other crucial steps necessary to conclude a project. By taking care to fulfill all last duties, organizations and individuals can ensure they are ending projects on a high note while avoiding any potential negative consequences of neglecting final obligations.