Deadline to request an ABSENTEE BY MAIL BALLOT is August 6. If you're applying online, you must do so by 11:59pm on August 6.
https://absenteeballotapplication.alaska.gov/
If you're mailing your application, it must arrive at our offices on or before Aug 6. If you want to apply in person, you can do so at our regional offices August 5 from 8am to 5pm and August 6 from 10am to 4pm.
Original source can be found here.