Mo. Rev. Stat. § 260.253
Funds may be allocated, upon appropriation, to the department to provide technical assistance to local governments and conduct public education programs concerning the proper handling of used motor oil. The department shall establish and maintain a telephone number, which may be toll free, for the purpose of disseminating information concerning the locations and operation of household consumer-used motor oil collection centers within the state, as well as information concerning the availability, dates and requirements for curbside collection where available. The department shall also develop a durable and legible sign, suitable for use by a retailer of motor oil informing the public of the importance of proper collection, recycling or disposal of used motor oil and the telephone number for used motor oil information.
§ 260.253, RSMo