Kan. Admin. Regs. § 92-19-33
(a) A permanent extension of not more than 60 days, may be granted by the director of taxation, for good cause, for filing sales or compensating use returns and for payment of the tax that is due. A request for an extension shall meet the following requirements:
(Authorized by K.S.A. 2000 Supp. 79-3618, K.S.A. 79-3707; implementing K.S.A. 79-3607, K.S.A. 2000 Supp. 79-3706; effective May 1, 1979; amended May 1, 1984; amended July 27, 2001.)