4 In case the Minister of Transportation has issued the order mentioned in the preceding paragraph, he shall examine whether or not the said rates and charges are conformable to the standards as provided for in the following items, after obtaining a report which the Transportation Council will submit to him after giving the harbor transportation enterpriser concerned a full opportunity at a public hearing to be held at the port concerned for making a statement to the effect that the said rates and charges are conformable to the standards as provided for in the following items, and give decision as to whether or not any alteration thereof is necessary, and when he decided that an alteration is necessary, he may order the said harbor transportation enterpriser to alter the said rates and charges furnishing him with the reasons therefor, provided that this shall not apply to the case where thirty days have elapsed since the scheduled day of enforcement as provided for in paragraph 1: