126.16(4)(b)3.3. The surety bond is issued as a continuous term bond that may be canceled only with the department’s written agreement or upon 90 days’ prior written notice served on the department in person or by certified mail. 126.16(4)(b)4.4. The surety bond is issued in a form, and subject to any terms and conditions, that the department considers appropriate. 126.16(4)(c)(c) A certificate of deposit or money market certificate if all of the following apply: 126.16(4)(c)1.1. The certificate is issued or endorsed to the department for the benefit of grain producers and producer agents who deliver grain to the grain dealer. 126.16(4)(c)2.2. The certificate may not be canceled or redeemed without the department’s written authorization. 126.16(4)(c)3.3. No person may transfer or withdraw funds represented by the certificate without the department’s written permission. 126.16(4)(c)4.4. The certificate renews automatically without any action by the department. 126.16(4)(c)5.5. The certificate is issued in a form, and subject to any terms and conditions, that the department considers appropriate. 126.16(4)(d)(d) An irrevocable bank letter of credit if all of the following apply: 126.16(4)(d)1.1. The letter of credit is payable to the department for the benefit of grain producers and producer agents. 126.16(4)(d)3.3. The letter of credit is issued for an initial period of at least one year. 126.16(4)(d)4.4. The letter of credit renews automatically unless at least 90 days before the scheduled renewal date the issuing bank gives the department written notice, in person or by certified mail, that the letter of credit will not be renewed. 126.16(4)(d)5.5. The letter of credit is issued in a form, and subject to any terms and conditions, that the department considers appropriate. 126.16(5)(5) Department custody of security. The department shall hold, in its custody, all security filed and maintained under this section. The department shall hold the security for the benefit of grain producers and producer agents who deliver grain to a grain dealer. 126.16(6)(6) Monthly reports. A grain dealer who is required to file or maintain security under this section shall file monthly reports with the department. The grain dealer shall file a report on or before the 10th day of each month, in a form specified by the department. In a monthly report, a grain dealer shall provide information reasonably required by the department, including all of the following: 126.16(6)(a)(a) The grain dealer’s average monthly payment for the 3 months, during the preceding 12 months, in which the grain dealer made the largest monthly payments for producer grain procured in this state. 126.16(6)(b)(b) The grain dealer’s highest total unpaid obligations, at any time during the preceding 12 months, for producer grain procured in this state under deferred payment contracts. If the amount owed on deferred price contracts has not yet been determined, the grain dealer shall estimate the amount based on contract terms and prevailing market prices on the last day of the previous month. 126.16(7)(a)(a) The department may, at any time, demand additional security from a grain dealer if any of the following applies: 126.16(7)(a)1.1. The grain dealer’s existing security falls below the amount required under sub. (3) for any reason, including depreciation in the value of the security filed with the department, an increase in grain payments or grain prices, or the cancellation of any security filed with the department. 126.16(7)(a)2.2. The grain dealer fails to provide required information that is relevant to a determination of security requirements. 126.16(7)(b)(b) The department shall issue a demand under par. (a) in writing. The department shall indicate why the security is required, the amount of security required, and the deadline date for filing security. The department may not specify a deadline for filing security that is more than 30 days after the date on which the department issues its demand for security. 126.16(7)(c)(c) A grain dealer may request a hearing, under ch. 227, on a demand for security under par. (b). A request for hearing does not automatically stay a security demand. 126.16(7)(d)(d) If a grain dealer fails to comply with the department’s demand for security under this subsection, the grain dealer shall give written notice of that fact to all grain producers and producer agents from whom the grain dealer procures producer grain in this state. If the grain dealer fails to give accurate notice under this paragraph within 5 days after the deadline for filing security under par. (b) has passed, the department shall promptly notify those grain producers and producer agents by publishing a class 3 notice under ch. 985. The department may also give individual notice to those grain producers or producer agents of whom the department is aware. 126.16(7)(e)(e) If a grain dealer fails to comply with the department’s demand for security under this subsection, the department may do any of the following: 126.16(7)(e)1.1. Issue a summary order under s. 126.85 (2) that prohibits the grain dealer from procuring producer grain or requires the grain dealer to pay cash on delivery for all producer grain.