SMALL firms are being warned to prepare mid-year tax changes that will see companies updating their payroll systems for a third time this year.Announcements made by Chancellor Alistair Darling to abolish the 10p tax band countered by a decrease in basic tax rate bandwidth affects all employers who are responsible for calculating and deducting income tax from their staff wages.Normally, businesses have to update their payroll systems twice a year - inApril and May. This year will see a third round up being made in September - a mont......for the full story register now for free or login below...