When is any license issued by Ohio State Board of Cosmetology valid until?

Any license issued by the Ohio State Board of Cosmetology is valid until January 31 of an odd year. This means that the license will expire every two years, specifically on the last day of January. Option B is incorrect because the expiration date would fall on December 31st, which is at the end of an even year. Option C is incorrect because July 4th falls in the middle of the year, not at the end. Option D is incorrect because October 31st falls in the middle of the year and is also at the end of an even year. Therefore, the only correct option is A.