According to the survey, approximately 1 in 4 U.S. employees believe states should never tax nonresident workers. Another 1 in 3 thinks the grace period should be longer — up to six months. What’s more, 7 percent of respondents agree that having to pay additional state income taxes actually discourages them from working out of state. 38% After 30 days 9% After 60 days 13% After 90 days 11% After 6 months 23% Never