A deluge of new rules is expected in the coming days and weeks as the Obama administration fleshes out the national health law's complex components. Most of the anticipation has been focused on rules that determine how the new state-based insurance marketplaces called exchanges will operate. But also closely awaited are decisions about how the government will tax medical devices, allot the shrinking pool of money for hospitals that treat the uninsured, and determine how birth control insurance coverage can be guaranteed for employees of religious schools, universities and charities. Some of the significant decisions on the health law that the administration is expected to announce are summarized.