Indiana Code Title 3. Elections § 3-9-5-15

Sec. 15.  (a) This section applies to an organization or a committee, other than the candidate's committee, that receives a contribution or makes an expenditure on behalf of a candidate.

(b) For purposes of this section, an expenditure is considered to be on behalf of a candidate if either of the following applies:

An expenditure is not considered to be made on behalf of a candidate if the expenditure is made to inform the members of the organization or for the development of the committee's political party.

(c) The treasurer of the committee shall report to the candidate's committee all information about a contribution received or an expenditure made on behalf of the candidate that the treasurer of the candidate's committee is required to report about the contribution or the expenditure if it had been received or made by the candidate's committee.