A separate set of books of account shall be opened for the purpose of recording the various transactions in connection with the said agency agreement. The books of original entry and ledgers may be similar in design to those heretofore employed by the agent unless it develops that they are inadequate, in which event the deficiency shall be remedied promptly. The accounts required in operations under this agency agreement, however, shall conform to the chart in the uniform system prescribed by the Maritime Administration in General Order No. 22, Revised (46 CFR part 282) and recordings in the accounts shall be in accordance with the descriptions thereof contained in the said uniform system.