Ohio Rev. Code § 955.05
After the thirty-first day of January of any year, except as otherwise provided in section 955.012 or 955.16 of the Revised Code, every person, immediately upon becoming the owner, keeper, or harborer of any dog more than three months of age or brought from outside the state during any year, shall file like applications, with fees, as required by section 955.01 of the Revised Code, for registration for a period of one year or three years or an application for permanent registration. If the application is not filed and the fee paid, within thirty days after the dog is acquired, becomes three months of age, or is brought from outside the state, the auditor shall assess a penalty in an amount equal to the registration fee for one year upon the owner, keeper, or harborer, which shall be paid with the registration fee. Thereafter, the owner, keeper, or harborer shall register the dog as provided in section 955.01 of the Revised Code, as applicable.
Every person becoming the owner of a kennel of dogs after the thirty-first day of January of any year shall file like applications, with fees, as required by section 955.04 of the Revised Code, for the registration of such kennel for the current calendar year. If such application is not filed and the fee paid within thirty days after the person becomes the owner of such kennel, the auditor shall assess a penalty in an amount equal to the registration fee upon the owner of such kennel.
R.C. § 955.05