What is “RT” in YTD RT displayed in “Input employee 12B”?

[Empxtrack user]

What does “RT” refer to in YTD RT showing in “Input employee 12B” in Empxtrack?

[Sonika]

"RT" refers to regular tax, which represents the net taxable income.

An additional 4% SAS (Special Additional Tax) is then applied to this amount.

Together, this combined amount is referred to as the total tax.