B1 speaking and listening

[mcr2013]

Good morning to all

My wife extension is due this nov 2026. I am employed in my own company taking wages. She is on old rout 18600 so i guess same rule will apply on extension , i have few queries

Which year income i need to show coz company year is SEP to AUG,

What documents i need

Regards

[mcr2013]

hello guys good morning

my wife passed B1 on entry clearance for spouse visa, now the extension is due in 4 months. does this B1 is ok for extension as well or she needs to pass any other english test