Here are the FAA Instrument Rating Training Requirements

Hold a Private Pilot Certificate
Hold a current FAA Medical Certificate
Pass the FAA written and practical test for the Instrument Rating
50 hours of cross country time as pilot in command (PIC)
10 hours of flight time in an airplane
40 hours of actual or simulated instrument flight time, including;
- 15 hours of instrument dual instruction
- 3 hours of instruction by a CFII in preparation for the practical test