Can municipal clerks retain the provisional ballots past the 4 p.m. Wednesday deadline?

Municipal clerks deliver all ballots, statements, tally sheets, lists and envelopes, excluding any absentee ballots received after closing hour on election night and any provisional ballots, related to any county, school district or special purpose district election to the appropriate clerks by 4:00 p.m. on the day following each such election. The municipal clerk shall deliver to the county clerk any additional provisional and absentee ballots canvassed late together with amended statements, tally sheets, lists, and envelopes no later than 4 p.m. on the Monday following the election.  Wis. Stat. § 7.51(5)(b).