PICus (Pilot-in-Command Under Supervision) can be logged when a pilot, after successful completion of a flight test on the aircraft, is conducting command tasks while under supervision of a training captain or instructor.
SPIC (Student Pilot-in-Command) can be logged by student pilots on an integrated CPL/IR course when undertaking an I/F flight with an instructor. The instructor may not take control of the aircraft, else the flight becomes Dual.
Logging PICUS and SPIC
PILOTLOG comes with dedicated time field to log PICUS time. Enable the PICUS time field from the Flights - Flight Config page.
There is no separate time field for SPIC. You must log SPIC as PIC time and select the SPIC tag from the Type of Operation field.
Continue reading here : Official State Regulations - Recording of Flight Hours