Section 7576 - Time limit for return of ballot; late ballots(a) Each municipality shall endorse the date and time of receipt on the ballot envelope of each absentee ballot received by the municipality.(b) Notwithstanding any other provision of this chapter, for an absentee ballot to be counted pursuant to this chapter, an elector voting by absentee ballot shall return the elector marked ballot to the municipality where the elector is qualified to vote before the polls close on the day of the election.(c) Each municipality shall retain unopened any ballot envelope it receives after the polls close on the day of the election for 60 days after the election, or longer if directed by proper authority or required to do so by federal law. 76 Del. Laws, c. 52, § 2; 77 Del. Laws, c. 152, § 1.;