In years following this agreement, contracts were negotiated with that obligation in place, since retirement health care benefits had become very important to union miners and that they were even ready to take less in wage to maintain the retirement health benefits. According to the Coal Act of 1992, the Commissioner of Social Security “shall, before October 1, 1993,” assign each retiree (eligible for benefits under the Act) to a “signatory operator”—or a related entity, which shall then be responsible for funding the retired beneficiary’s benefits, 26 U. S. C. §