Ind. Code § 25-36.5-1-1
As used in this chapter:
"Person" means an individual, partnership, firm, association, business trust, limited liability company, or corporation.
"Timber" means trees, standing or felled, and logs which can be used for sawing or processing into lumber for building or structural purposes or for the manufacture of any article. "Timber" does not include firewood, Christmas trees, fruit or ornamental trees, or wood products not used or to be used for building, structural, manufacturing, or processing purposes.
"Timber buyer" means a person engaged in the business of buying timber from timber growers for sawing into lumber, processing, or resale, but does not include a person who occasionally purchases timber for sawing or processing for his own use and not for resale.
"Timber grower" means the owner, tenant, or operator of land in this state who has an interest in, or is entitled to receive any part of the proceeds from, the sale of timber grown in this state and includes persons exercising lawful authority to sell timber for a timber grower.
"Department" means the department of natural resources.
"Director" means the director of the department of natural resources.
"Agent" means an individual who represents a timber buyer in effecting or attempting to effect purchases of timber.
"Buying" means acquiring an interest in property by the payment of a price, value, or other consideration.
IC 25-36.5-1-1