Concessional contributions are those paid by your employer to meet Superannuation Guarantee obligations and those paid under a salary sacrifice arrangement.
Your employer will redirect a portion of your pre-tax pay into your super fund when you salary sacrifice into super. These contributions are taxed at a rate of 15% in the super fund. For most, this is a lower rate of tax than their marginal tax rate.
Concessional contributions are capped at $27,500 per individual per year. You may have to pay extra taxes if your employer contributions and salary sacrifice contributions exceed this limit.
Before arranging salary sacrifice into super, check your employment agreement or speak with your employer.