Explanation:

- Option 1: Order 44, Rule 3 - This rule in the Code of Civil Procedure deals with the process regarding appeals. It directly pertains to situations involving indigent persons when considering appeals.

- Option 2: Order 31, Rule 9 - This part of the Code does not relate to indigent persons. Usually, it deals with guardians for suits-related matters.

- Option 3: Order 22, Rule 18 - This concerns the procedure following the death of a party, not indigence.

- Option 4: Order 9, Rule 10 - This typically involves appearances of parties and does not involve inquiries about indigent persons.

Option 1: Order 44, Rule 3 is indeed related to inquiries about indigent persons.