Responsible Fatherhood and Healthy Families Act of 2007

Responsible Fatherhood and Healthy Families Act of 2007 - Amends part A (Temporary Assistance for Needy Families) (TANF) of title IV of the Social Security Act (SSA) with respect to: (1) funding for responsible fatherhood programs; (2) requirements to ensure procedures to address domestic violence; (3) activities promoting responsible fatherhood; (4) grants to healthy family partnerships for domestic violence prevention, for services for families and individuals affected by domestic violence, and for developing and implementing best practices; and (5) elimination of separate TANF work participation rate for two-parent families.

Amends SSA title IV part D (Child Support and Establishment of Paternity) to prohibit a state from collecting any amount owed it by reason of costs it has incurred for the birth of a child for whom support rights have been assigned.

Requires a state to make a full distribution of collected child support to the family.

Directs the Secretary of Health and Human Services to award grants to states for an employment demonstration project involving a court- or state child support agency-supervised program for noncustodial parents so they can pay child support obligations.

Directs the Secretary of Labor to award grants for transitional jobs programs and for public-private career pathways partnerships.

Conditions continued approval of a state plan under part D upon state assessment of its policies with respect to barriers to employment and financial support of children.

Amends the Food Stamp Act of 1977 with respect to: (1) deductions from family income for child support received in order to qualify for food stamps; (2) verification of child support payments; and (3) inclusion of economic opportunities programs in qualifying work programs.

Amends the Internal Revenue Code to: (1) modify the earned income tax credit; (2) provide an additional tax credit for certain workers required to make child support payments; (3) revise the formula to increase the earned income tax credit for joint returns; and (4) require information pertaining to the customer's adjusted basis in broker's returns in the case of securities transactions.

Amends the American Jobs Creation Act of 2004 with respect to the effective date of leasing provisions of the Act.

Amends the Internal Revenue Code with respect to the economic substance doctrine.