Clients of JQNLaw.com frequently contact us with issues related to their rights and duties under the Family Medical Leave Act commonly know as FMLA. The link below is to the US Department of Labor. It contains quite a bit of basic information on the FMLA. Please take note that interpretations of the FMLA vary from jurisdiction to jurisdiction, so, please contact us before making any discussions which would be significantly adverse to your interests.
https://www.dol.gov/whd/fmla/fmla-faqs.htm