CFII FARS

61.51 g

when you can log instrument time

61.57 c

66HITS

61.57 d

IPC

61.65

Instrument rating requirements

Part 71

Designation of airspaces, air traffic service routes, & reporting points

Part 91

General operating & flight rules

91.103

NWKRAFT

91.109 c

safety pilot requirements

91.167

fuel requirements

91.169

alternate requirements

91.171

VOR check

91.175

Operation below DH/DA

91.177

Minimum altitudes for IFR operations

91.179

IFR Cruising Altitudes

91.183, 91.187, AIM 5-3-3

IFR communications

MARVELOUS-VFR-C500

91.185

IFR operations: Two-way radio communications failure

91.187

IFR malfunction reports

91.205

Required Equipment

91.411

Altimeter system and altitude reporting equipment tests and inspections

Part 95

IFR Altitudes

Part 97

Standard Instrument Procedures

61.23

Medical Certificates

61.56

flight review

91.175 f

takeoff minimums