(12)Where it appears to the Assessing Officer that, owing to the close connection between the tonnage tax company and any other person, or for any other reason, the course of business between them is so arranged that the business transacted between them produces to the tonnage tax company more than the ordinary profits which might be expected to arise in the tonnage tax business, the Assessing Officer shall, in computing the relevant shipping income of the tonnage tax company for the purposes of this Part, take income as may reasonably be deemed to have been derived therefrom.