And for the DB plan, you can require 1,000 hours, but not a last day.
So if the participant is:
participating both plans (DB and DC)
works 1,000 hours in the plan year
terminates before the last day of the plan year
the document states the TH minimum is provided in the DC plan
the DB plan states participants in both plans will receive the TH in the DC plan
the DC plan states participants in both plans get 5% of pay top heavy, but requires they be there on the last day
Is the last day requirement for the 5% top heavy overridden due to the combo arrangement, or
Is the TH minimum not needed due to the last day requirement (TH is satisfied without 5% of pay), or
Is the top heavy provided in the DB plan for that final year of participation?
Again, one must look carefully at how the documents are worded.