i'm in the same situation , does anyone knows if there is a format for such letter ? I just need to know what exactly need to be written and I will ask my sponsor to do it for me.

I was granted a Tier-2 general visa and currently applying for my wife and children , the COS I have has the following statement; Tick to certify maintenance for migrant (and dependents, if applicable): Y Does this mean I don't need to provide the maintenance letter from my sponsor or will the COS b...