Which of these is a requirement for a taxpayer without a qualifying child to claim the Earned Income Tax Credit (EITC)? Their investment income cannot exceed $1,500 for the year. They must be at least 25 years old, but younger than age 65, on December 31, 2019 They must be a U.S. citizen or resident alien, or have resided in Mexico or Canada for more than half the year. They must have a valid social security number or individual taxpayer identification number (ITIN)