Tax Check-off

Make This Tax Season Count!

Today a woman has a one in eight chance of developing breast cancer, and in California, 11 women die every day from the disease. Although we have been making progress in prevention, better diagnosis, and improved treatment, and we have a list of things we know are associated with breast cancer, we still don't know how they cause breast cancer. We need more answers.

You can help.

Line 55 of California Income Tax Return Form 540 provides an opportunity to make a donation from your tax refund—or add a contribution to your tax bill—to the Breast Cancer Research Fund. Your donation or contribution is automatically tax deductible for the following year, and the money from this fund goes directly to the California Breast Cancer Research Program to support new approaches to prevent, treat, and cure breast cancer.

Previous contributions to line 55 have supported all or part of 39 research awards. Researchers funded by contributions to line 55 have undertaken studies to eliminate breast cancer and its effects by investigating its potential causes, devising ways to prevent and cure it, and pursuing ways to live well after a breast cancer diagnosis, such as:

Click here to see a list of all the awards that have been supported by tax checkoff contributions.

Click here to see a sample of where on Form 540 you can help end breast cancer. If you have already completed your tax return, please consider donating online or by mail. All donations are tax-deductible.

Tell a friend about the Tax Check-Off program

Get the facts about breast cancer.

Join Us!

Let us know that you "Checked Off" this year, or if you'd like more information about the California Breast Cancer Research Program.