Dear All,
I am also on same boat, there were some ammenments in my tax records due to different mistakes from my previous employers. Trying to find answer as my 5 years are completing in next year for ILR.
I want to share very useful information for the immigrants who don't keep an eye on their tax records. Now there is a new online service from HMRC where you can check your tax records every month. Please check below:
https://www.gov.uk/personal-tax-account
Never rely on your employer as the accountants makes mistakes. So just keep an eye and fix the problem the same time as it happen rather than at the time of ILR.
I hope it will be helpful for many who are not aware about online tax account service.