H1B Visa Salary Database 2024 - Search By Employer, Job, or City This website indexes the Labor Condition Application (LCA) disclosure data from the United States Department of Labor (DOL). Prior to filing an H-1B petition with the USCIS, an employer must file an LCA with the DOL. An LCA is used by employers as supporting evidence for the petition for an H-1B visa. DOL disclosure data does not ind