A domestic mutual insurer, after being authorized to transact one (1) kind of insurance, may be authorized by the Insurance Commissioner to transact such additional kinds of insurance as are permitted under § 23-63-204, while otherwise in compliance with the Arkansas Insurance Code and while maintaining unimpaired surplus funds in an amount not less than the amount of paid-in capital stock required of a domestic stock insurer transacting like kinds of insurance, subject further to the additional expendable surplus requirements of § 23-63-207 applicable to such a stock insurer.