(A) Licensed handlers who purchase agricultural commodities under delayed price agreements shall do so on the form provided by the department and attached hereto as appendix A to this rule. The original agreement shall be maintained by the handler:

(B) One agreement may cover one or more agricultural commodities delivered by a depositor.

(C) A log of applicable charges shall be retained by the licensed handler as specified in divisions (A) and (B) of section 926.11 of the Revised Code.