Supplier Banking information update Approval Process

Hi

We have business request when business wants to monitor Supplier's Banking info. Update made by internal user.Their desire is ut should trigger a workfkow approval process. Questions here is

1. Is there anyway we can kick-off Change Banking information Approval process whenever it occurs?

2. If this feature not available, what's the best way to implement it ?

3. If anyone has done it, sharing the idea would be appreciated greatly.

Thanks

Shailendra