Ind. Code § 24-5-15.5-5
(a) If a debt buyer brings an action on a debt, or an arbitration proceeding requesting a judgment on a debt, the plaintiff debt buyer shall attach with the initial pleading the following:
(1) One (1) of the following:
(B) If a signed contract or other writing evidencing the debtor's agreement to the debt does not exist, a copy of a document provided to the debtor while the account was active.
However, for a revolving credit account, a copy of a charge off statement or the most recent monthly statement recording a purchase transaction, a last payment, or a balance transfer is sufficient to satisfy this requirement.
(2) A chronological list of the:
As added by P.L.280-2019, SEC.6.