Reverse mechanish charge on service tax how to raise the inv

I have a proprietory concern running a Manpower recruitment and consultancy services in bangalore.

My query:

1. With the new ammendment in the reverse mechanism rule, the onus of payment 100% lies on the service receiver.  Is thee a notification in this regard.

2. If the onus of ST is on the service receiver- Can anyone suggest how  to do the billing ( format please)

3. With the ammendment is proprietoriship concern need to be continued to be registered under service tax while continuing to give service to corporate entity.

4. How to file thereturns , when st is paid by the receiver.

Would appreciate your valuable inputs in this regard.

Thanks in advance

Gurudath Hegde.