What radio calls are required under IFR in a radar environment?

What radio calls are required under IFR in a radar environment?

1.     Time and altitude at each designated reporting point. When in radar contact, only those requested by ATC
2.     Any unforecast weather.
3.     Any information regarding safety of flight.
4.     Any malfunction of navigational, approach, or communication equipment.
5.     For holding, the time and altitude reaching and leaving the clearance limit.

6.     Read back altitudes, altitude restrictions, and vectors (headings).