Initiating the Go-Around / Missed Approach

[3 green's]

Can you help?

Initiating the Go-Around / Missed Approach (aircraft less then or = 5700 kg)

When does Initiating a Go-Around / Missed Approach become Mandatory when flying an ILS?

When flying a non-precision approach (VOR / NDB) when does initiating a Go-Around / Missed Approach become Mandatory?

With respect to both of the above scenarios I am looking for the relevant / appropriate ICAO or JAR Ref

Thanks for the help

Cheers

Paul


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