Ohio Rev. Code § 927.60: Application for inspection.

Each nurseryman or collector who sells or delivers nursery stock in this state shall apply in writing before the fifteenth day of April of each year to the director of agriculture for inspection of his nursery stock growing in this state. Such nurseryman or collector is liable for any additional expense incurred in the inspection of the nursery stock which may be due to his failure to give such notice prior to said date.