The Alaska Notice of Deadline for Filing Administrative Expense Claims is a form required by the Alaska Department of Revenue to be filed by businesses that incur administrative expenses related to the collection of taxes in the state. This form is used to notify businesses of the deadline for filing their administrative expense claims. There are two types of Alaska Notice of Deadline for Filing Administrative Expense Claims: 1. The Mandatory Notice of Deadline for Filing Administrative Expense Claims — This form is required to be filed in order to claim administrative expense deductions for taxes collected by the State of Alaska. This form must be filed within the statutory deadline of April 15th of the year the taxes were collected. 2. The Voluntary Notice of Deadline for Filing Administrative Expense Claims — This form is used to document administrative expense deductions taken for taxes collected in the State of Alaska. This form must be filed within the statutory deadline of April 15th of the year the taxes were collected.