Beginning on May 26, 2015, select H4 visa holders became eligible to work in the U.S. To be able to work, an H4 visa holder must first apply for and be approved for an Employment Authorization Document (EAD). Additional requirements include:
The applicant’s spouse must be in the U.S. on a valid H1B visa
The applicant must be either the beneficiary of an I-140 OR her spouse must have extended H1B status