The United States has reopened its FLAG system, allowing H-1B, H-2A, H-2B and PERM visa applications to resume. Indian applicants are set to benefit as employers can now file and track labour certifications again. The United States has reopened its FLAG system, allowing H-1B, H-2A, H-2B and PERM visa applications to resume. Indian applicants are set to benefit as employers can now file and track labour certifications again.