Usually not. Second-level supervisors and above, such as commissioners, mayors, department directors and police and fire chiefs, are normally exempt from federal overtime rules, so FEMA treats their overtime as ineligible unless three conditions are all met.
Daily records of the supervisor’s hands-on project work and evidence that their time is normally charged to projects.
Overtime for senior staff is a frequent audit finding. If you claim it, document their hands-on project work day by day.