What Is Annuity Overlap? 
Annuity overlap can occur in some annuities sold in the UK , if the annuity holder has chosen both a Joint Annuity and Guarantee period . An annuitant may opt whether to set up the annuity on overlap basis , and they opt when they want their dependant 's annuity to start . If they choose the day of their death as the date that the annuity 's payment is to start , and then die during the guaranteed period , the surviving dependent will receive two incomes for the remainder of the guarantee period . 