Thank you, I think a new CoS needs to be issued with an earlier start date to match the conditions. I can't find any document which says you can apply 90 days in advance before the current leave runs out.

Hi Manci, Tier 2 General visa of my wife is due to expire in June 2017 however she wants to renew it earlier as she will be on pregnancy leave and planning to travel during that time. As per the guidance the extension work start date has to be one day after the current work date expires and based on ...