Ohio Rev. Code Ann. § 5733.069
(A) As used in this section:
(2) Subject to divisions (C) and (H) of this section, "export sales" means sales used in determining the denominator of the sales factor under division (B)(2)(c) of section 5733.05 of the Revised Code, as long as the sales meet the requirements of division (A)(2)(a) of this section and either or both of divisions (A)(2)(b) and (c) of this section.
(b) In the case of sales of tangible personal property, the taxpayer establishes by preponderance of the evidence that the property is not received by the purchaser within the United States. If the property is delivered by common carrier or by other means of transportation, the place at which the property is ultimately received after all transportation has been completed shall be considered as the place at which the property is received by the purchaser. Direct delivery in the United States, other than for purposes of transportation, to a person or firm designated by the purchaser constitutes delivery to the purchaser in the United States. Direct delivery outside the United States to a person or firm designated by the purchaser does not constitute delivery to the purchaser in the United States, regardless of where title passes or other condition of sale. In addition, the taxpayer also establishes by clear and convincing evidence one of the following:
(4) Subject to divisions (C), (F)(1), (H), and (I) of this section, "Ohio payroll increase factor" means twelve and one-half multiplied by the difference obtained by subtracting two one-hundredths from the largest of the following quotients:
(5) Subject to divisions (C), (F)(2), and (H) of this section, "Ohio property increase factor" means ten multiplied by the largest of the following quotients:
(B) A nonrefundable credit is allowed against the tax imposed by section 5733.06 of the Revised Code. The credit shall be claimed in the order required under section 5733.98 of the Revised Code. Subject to divisions (C), (D), and (G) of this section, the credit equals the sum of the following:
(1) For tax years 1993 to 2000, ten per cent of the product obtained by multiplying all of the following together:
(C)
(E)
(1) Pursuant to division (B)(2) of this section, the greater of the amount described in division (E)(1)(a) or the amount described in division (E)(1)(b) of this section shall be allowed as a nonrefundable credit in each ensuing tax year:
(F)
(H)