Hillary Clinton wants to expand access to tax credits for lower-income parents.

The Democratic presidential candidate is set to outline a new proposal Tuesday that would eliminate a $3,000 earned income threshold before parents can get money through a refundable child tax credit.

“Hard-working, middle-class families are struggling with rising costs for child care, health care, caregiving and college,” Clinton said in a statement. “This new tax credit will make their lives a little bit easier and help restore fairness to our economy.”

Clinton wants to double the credit available to $2,000 per child through the age of four. In addition, her campaign pointed to a push to expanded child tax credits for people whose children are older, as well.

The latest tax-related proposal from the Clinton campaign comes as the campaign says Clinton also wants to expand access to refundable tax relief more regularly. A refundable tax credit can result in a tax liability below zero (generating a tax refund for even those at the bottom of the income scale).