In this subtitle the following words have the meanings indicated. “Agricultural sources of nitrogen, phosphorus, or sediment” means sources of nitrogen, phosphorus, or sediment that originate from an agricultural operation’s land or animals. “Agricultural sources of nitrogen, phosphorus, or sediment” does not include sources of nitrogen, phosphorus, or sediment that originate from a residential, municipal, industrial, or commercial activity. “Program” means the Maryland Agricultural Certainty Program.