A trustee must keep the following books, accounts and records—
(a) a register of trust account receipt forms;
(b) a trust account receipt book of consecutively machine numbered receipt forms in duplicate;
(c) a trust account deposit book of trust account deposit forms in duplicate;
(d) a trust account cash book;
(e) a trust account journal of consecutively machine numbered folios;
(f) a trust account ledger;
(g) a trust account investment ledger.