Thank you for your reply@mamoru01. Do my son need the £630 even I have fully "A-rated" sponsor? and my COS details state that they certify maintenance for any dependent..
Thank you for your help. Really appreciated it.

Hi. I would like to seek help in this forum. I am applying for my son's dependent visa who is turning 18 yrs old this coming may. I am a tier 2 general visa under under shortage occupation ( Nurse). I started my work in the UK last Jan.21,2019. I have COS of 3 yrs contract and in my COS details indi...