mycause Christmas Portfolio Giving allows you to make tax deductible donations to one, or multiple charities all in a single transaction and receive one tax receipt by email. On mycause you can choose from thousands of Australian charities for your Christmas charity donations. Your Christmas time group or portfolio of donations allows you to choose multiple charities and allocate donation amounts in on single tax -deductible transaction. It’s easy and convenient and the Portfolio can be replicated for your Christmas giving each year should you wish.