Section 43.05.070 - Compromise of tax or penalty(a) If in the opinion of the department there is doubt as to the liability of the taxpayer for or the collectibility of a tax, license fee, or excise tax, the department, with the approval of the attorney general, may compromise the tax.(b) The department, with the approval of the attorney general, may, for cause shown, compromise a penalty accruing under the state tax, license, or excise tax laws.