In a recent blog post, we discussed the tax withholding and reporting complexities that can arise when employees earn equity or deferred compensation while working in more than one state. Therefore, it is timely to report on an effort at the federal level to harmonize threshold tax requirements in multi-state employment scenarios. New 30-Day Rule On June 20, 2017, the “Mobile Workforce State Income Tax Simplification Act of 2017” (H.R. 1393) passed the House of…