New rules will make it tougher for companies in the U.S. to hire specialty workers on H-1B visas and may alter who gets the visas. H-1B visa holders are required to have specialized knowledge and, at minimum, a bachelor’s degree. The new rules, announced Friday by the Department of Homeland Security (DHS), would require companies that seek to hire foreigners to pre-register electronically with U.S. Citizenship and Immigration Services (USCIS) during a designated period in advance of the annual H-1B lottery. The pre-registration will require additional paperwork and subject companies to new scrutiny. The lottery takes place every April, and within days the quota is usually filled through random selection. The number of H-1B visas is capped at 65,000, with an additional 2,000 for advanced-degree holders. USCIS, however, seeks to make the process less random by reversing it, “likely increasing the number of beneficiaries with a master’s or higher degree from a U.S. institution …