30 Day Notice is a notice to inform a person to take action before the deadline of thirty days. This notice can be a notice to inform a tenant to vacate or notice to inform an employee about employee discipline. No matter what situation this thirty-day notice is used, people who receive this notice should take some action within thirty days. Our website provides you with all kinds of thirty-day notice templates, such as Sample Employee Discipline Letter 30 Day Notice and Sample 90-Day/30-Day Notice to Vacate.