Section 411(d)(3); partial termination; turnover. This ruling holds that based on its facts and circumstances, there is a presumption of a partial termination within the meaning of section 411(d)(3) of the Code where the turnover rate for employees participating in the qualified plan is at least 20 percent.

Qualification; determination letters; staggered remedial amendment periods. Rev. Proc. 2005-66, containing the Service’s procedures for issuing determination letters pursuant to section 401(a) of the Code with respect to a staggered remedial amendment period system both for plans that are and are not pre-approved, is clarified, modified, and superseded. Rev. Proc. 2005-16 modified.

Pre-approved defined benefit plans; GUST amendments. This announcement states that the program for GUST amendments for pre-approved defined benefit plans is being closed.