title: Collectively bargained welfare plans--retiree benefits--promise of lifetime health benefits--vesting of welfare benefits.
mesh_terms: D000368:Aged; D006264:Health Benefit Plans, Employee / Q000331:legislation & jurisprudence*; D006801:Humans; D019458:Insurance Coverage / Q000331:legislation & jurisprudence*; D008824:Michigan; D017008:Negotiating; D012179:Retirement