Sec. 1.3. As used in this chapter, "letter of agency" means a written statement that a customer signs that authorizes a change to that customer's primary interexchange carrier or primary local exchange carrier. As added by P.L.135-1999, SEC.1.
"Letter of agency" defined
Ind. Code § 8-1-29-1.3, under Chapter 29. Telecommunications Customers.
Ind. Code § 8-1-29-1.3