Some employees may have a tax variation in place which reduces the amount of PAYG tax withheld from their total wages or from a particular allowance. These variations generally apply for one income year only.
As your employees may not actively monitor this area, it is a good idea to check and send an email to those employees who do have a variation in place reminding them that the variation will cease on 30 June 2014.
If your employees have any questions on tax variations they should be directed to contact their accountant. The following is a link to information on the ATO website on this area including variation application forms: