If the cause of earache is an ear infection, there may be a watery or pus-like fluid coming out of the ear. Outer ear infections (infections of the tube connecting the outer ear and eardrum) and middle ear infections (infections of the parts of the ear behind the eardrum) are very common causes of earache.
Umbrella company contractors only have to keep personal tax records, as they are employees, not business owners. If you are an employer, you need to keep all PAYE records for 3 years (in addition to the current year). A CIS contractor must keep his CIS records for the same period of time.
You should keep financial details and payment records for at least 3 years, as they could be required by the HMRC within a 3 year period. The safest thing to do, in most cases, is to keep all employee records for a total of 6 years.