Introduction. The risk for Mycobacterium tuberculosis transmission among healthcare workers (HCWs) has been well known for many years. The kind of job and the incidence of tuberculosis (TB) in the community conditions the risk of TB infection among HCWs.ntroduction. The risk for Mycobacterium tuberculosis transmission among healthcare workers (HCWs) has been well known for many years. The kind of job and the incidence of tuberculosis (TB) in the community conditions the risk of TB infection among HCWs.
Keep for 1 month: utility bills, deposit and withdrawal records. If youâre self-employed, you may need your utility, cable and cell phone bills for tax purposes. Otherwise, you can dispose of them as soon as you verify your payment was processed.
How long should I keep payroll and employment tax records? Keep all employment-related records, including payroll tax records, for at least three years after the due date of the return or the date it was filed, whichever is later. Keep the following payroll tax-related items: 1  Forms 941 or 944.  Employee copies of forms W-2 and W-3.