It is still a requirement for sponsors of 457 holders to comply with Training Benchmarks A and B.

Please find a basic presentation on this from NSW TAFE, below:

TAFE-NSW-Flyer.pdf

Please find an in-depth presentation from NSW TAFE, below:

TAFENSW-457-visa-Training-benchmark-A-B--Presentation.pdf

Payments must still be made whilst the 457 visa remains in effect.