- Active duty (other than for training) by volunteers supporting "operational missions" for which Selected Reservists have been ordered to active duty without their consent. Such operational missions involve circumstances other than war or national emergency for which, under presidential authorization, members of the Selected Reserve may be involuntarily ordered to active duty under Title 10, U.S.C. Section 12304. The recent U.S. military involvement in support of restoration of democracy in Haiti (Uphold Democracy) was such an operational mission as is the operation in Bosnia (Joint Endeavor). This sixth exemption for the five-year limitation covers persons who are called to active duty after volunteering to support operational missions. Persons involuntarily ordered to active duty for operational missions would be covered by the fourth exemption, above.
- Service by volunteers who are ordered to active duty in support of a "critical mission or requirement" in times other than war or national emergency and when no involuntary call up is in effect. The Secretaries of the various military branches each have authority to designate a military operation as a critical mission or requirement.
- Federal service by members of the National Guard called into action by the President to suppress an insurrection, repel an invasion, or to execute the laws of the United States.
Disqualifying service
When would service be disqualifying? The statute lists four circumstances:
- Separation from the service with a dishonorable or bad conduct discharge.
- Separation from the service under other than honorable conditions.
- Dismissal of a commissioned officer in certain situations involving a court martial or by order of the President in time of war ( Section 1161(a) of Title 10).
- Dropping a individual from the rolls when the individual has been absent without authority for more than three months or who is imprisoned by a civilian court. ( Section 1161(b) of Title 10)
Reporting back to work
Service of 1 to 30 days. The person must report to his or her employer by the beginning of the first regularly scheduled work day that would fall eight hours after the end of the calendar day. For example, an employer cannot require a service member who returns home at 10:00 p.m. to report to work at 12:30 a.m. that night. But the employer can require the employee to report for the 6:00 a.m. shift the next morning.
If, due to no fault of the employee, timely reporting back to work would be impossible or unreasonable, the employee must report back to work as soon as possible.
Fitness Exam. The time limit for reporting back to work for a person who is absent from work in order to take a fitness-for-service examination is the same as the one above for persons who are absent for 1 to 30 days. This period will apply regardless of the length of the persons absence.
Service of 31 to 180 days. An application for reemployment must be submitted no later than 14 days after completion of a persons service. If submission of a timely application is impossible or unreasonable through no fault of the person, the application must be submitted as soon as possible. If the 14th day falls on a day when the offices are not open, or there is otherwise no one available to accept the application, the time extends to the next business day.
Service of 181 or more days. An application for reemployment must be submitted no later than 90 days after completion of a persons military service. If the 90th day falls on a day when the offices are not open, or there is otherwise no one available to accept the application, the time extends to the next business day.
Disability incurred or aggravated. The reporting or application deadlines are extended for up to two years for persons who are hospitalized or convalescing because of a disability incurred or aggravated during the period of military service.
The two-year period will be extended by the minimum time required to accommodate a circumstance beyond an individuals control that would make reporting within the two-year period impossible or unreasonable.
Unexcused delay. Are a persons reemployment rights automatically forfeited if the person fails to report to work or to apply for reemployment within the required time limits? No. But the person will then be subject to the employers rules governing unexcused absences.

