FAA Regulation

The applicant must have logged 20 hours of flight time. The applicant must be a US Citizen. The applicant must be at least 16 years old.

Not to exceed 30 days. Within 10 days. Any time.

filed a IFR flight plan. received prior authorization from the controlling agency.  received prior permission from the commanding officer of the nearest military base.

Continue the mission, airplanes are not allowed to fly lower than 500 feet AGL unless around an airport. Give way and stay clear from the crop duster.   Continue the mission, ...

Operating your sUAS for an imagery company.   Flying for enjoyment with family and friends. Conducting public operations during a search mission.

is operated by a Part 61 certified pilot. documents maintenance, preventive maintenance, alterations, and inspections.  is only operated over small groups of people.

No more than three as long as the Remote PIC maintains visual line of sight. As many as he/she can handle. No more than one. 

the Remote PIC.  the controlling agency. Air Traffic Control.