Thinking about that leaving your 401k with your ex-employer has no advantages whatsoever and most companies will choose you leave anyway, that leaves just the last 2 as possible choices:1. With this specified advantage strategy, the company pledges to use a distinct sum to those who want to retire and those who fulfill defined eligibility standards and procedures. The 401k portion can no longer be rolled back into an additional 401k with a brand-new business, must you ever want to do that.