Is switching from an employer on health and care visa to another employer on health and care visa “ISC liable “ or “ISC exempt”
?

My company applied for an undefined COS ,I’m already in the UK switching employers ,how long does it take he applied on Tuesday 06/03/2023

Hi family ,please I need urgent advice ,came into the this country not too long on tier 2 Visa ,after my training it seems my employer doesn’t have enough working hours for me as the company don’t have much shift ,I’ need sincere advise ,can I do more than the 20 hours allotted elsewhere ,this bills is not funny if you’re not working ,my employer hours is way less than 15 which is too low for me ,I’m very agile and willing ,what options do I’ve …Mature advice ONLY