In contrast to the L1-A visas which are intended for higher-ranking employees, USCIS has determined that the L-1B visa focuses on the employees interaction with the company’s product, service, research, equipment, techniques, management, or other interests and its application in international markets, or an advanced level of knowledge or expertise in the organization’s processes and procedures. Due to the intricacies of proving specialized knowledge, L-1B petitions are typically scrutinized more heavily by USCIS than L-1A.