As of January 1, 2017, Alaska implemented a higher interest rate on underpayment of tax on revenues from oil and gas production. The elevated rate is reflected in that tax rate tables as a new jurisdiction "AO - Alaska Oil & Gas Production." However, this jurisdiction should not be used for calculating an interest schedule. Rather, when a calculation is performed for a deficiency for "AK - Alaska" that extends beyond January 1, 2017, Instant Interest will display the following prompt:
If you respond "Yes," Instant Interest will use the elevated rates. If you respond "No," Instant Interest will use the non-elevated rates. If you respond "Cancel," Instant Interest will not perform the calculation.