It is the duty of the register to make the entries required in §§ 10-7-202 – 10-7-204 for all instruments immediately upon their being recorded; provided, that at the discretion of the register, the register may:
(1) Index all instruments purporting to convey titles to land in one (1) or more indices, indexing them direct and reverse as provided for in §§ 10-7-201 – 10-7-206;
(2) Keep all deeds of trust or land mortgages in one (1) or more indices, indexing them direct and reverse as required by §§ 10-7-201 – 10-7-206;
(3) Keep all trust deeds or land mortgages and chattel mortgages and other instruments relating to personalty in one (1) or more indices, indexing them direct and reverse as required in §§ 10-7-201 – 10-7-206;
(4) Keep chattel mortgages, in an index, indexing them direct and reverse as required in §§ 10-7-201 – 10-7-206; or
(5) Keep a direct index of chattel mortgages in the same book or volume in which the chattel mortgages are registered or recorded.
