part a retro 6 mo rationale

[kstein]

I know part A is retroactive 6 mo but does anyone know the why behind it? I'm writing an article for the biz journals and wanna get my facts straight. For the life of me I cant find the logic behind it.

 

[LostDollar]

What I see online is so employees won't inadvertently find themselves without insurance while transitioning to Medicare.