The California Earned Income Tax Credit (CalEITC) and the Young Child Tax Credit (YCTC) are state tax credits for working Californians. If you qualify, you may see a reduced tax bill or a bigger refund. No Social Security number? No problem! Taxpayers with an ITIN (Individual Taxpayer Identification Number) are eligible for the CalEITC and the YCTC Spanish Vietnamese Chinese Korean Arabic Tagalog