It is reported that the Indian software giant Infosys was accused of using the B-1 visas program for employment instead of appropriate work visas. This lawsuit was recently moved to U.S. federal court and has been in investigation, though Infosys denied the lawsuit’s allegations that it had abused the B-1 visas.

The so-called B-1 business visa are intended for foreign nationals who come to the U.S. for purposes such as attending business conventions, consulting with business associates or installing machinery. If companies dispatch their employees to work in the U.S., they should apply for H-1B. However, only 65,000 H-1B visas are issued a year and demand sometimes exceeds supply. In contrast, there is no cap on B-1 visas, which are also easy-obtained. But visa fraud can carry penalties of 10 years in prison, in addition to fines, and companies found to violate the terms of a visa program can be temporarily suspended form participating in the program.

At the same time, both the Department of State and the Department of Homeland Security demanded an investigation of the B-1 visa program and tightening visa regulations. An expert says visa fraud is still hard to avoid because the B-1 is nebulous.