The United States Tax Reduction Act of 1975 provided a 10-percent rebate on 1974 tax liability ($200 cap). It created a temporary $30 general tax credit for each taxpayer and dependent.
It started the Earned Income Tax Credit (EITC), which, at the time, provided an income tax credit to certain individuals. The EITC gave a tax credit to individuals who had at least one dependent, maintained a household, and had earned income of less than $8,000 during the year.