Mumbai, Sept. 21 -- The US government's Project Firewall, which outlines how to enforce the new H-1B visa rules, could expose employers, including Indian information technology services firms, to investigation and litigation, given its open-ended language, experts say.

Launched by the US Department of Labour, Project Firewall stipulates launching investigations against employers to maximize H-1B programme compliance. The Secretary of Labor, according to the department's statement, will personally certify the initiation of investigations, which is a first for the department.

"The language in such provisions typically grants wide discretion to the US Government to initiate litigation or enforcement actions, especially where national inter...