Hiring, payroll, health insurance and 401k administration, employee satisfaction, training, I-9 compliance, workers comp, state and federal regulations to follow—human resources personnel must be able to juggle a variety of functions. And on top of all these, HR is also usually tasked with acting as liaison and point-of-contact between foreign national employees and immigration counsel. For HR staff who don't have prior experience in immigration, it can all seem overwhelming and daunting, especially all those acronyms!