When confronted with a claim on involuntary withdrawal or involuntary retirement, carriers and self-insured employers should be prepared to challenge the <a href="https://thelomad.com/getmad.today/wp-contentwww.getmad.today/blog/2019/05/amendments-to-2017-not-retroactive-if-ppd-claimant-was-not-attached-to-labor-market/">claimant by demanding proof of labor market attachment</a> in the wake of the claimant’s separation from employment and try to avoid the invocation of Zamora’s “permissible inference” about ongoing lost wages after separation