256.303—Miscellaneous intangible plant.

(a) This account shall include the cost of patent rights, licenses, privileges, and other intangible property necessary or valuable in the conduct of the service company's operations and not specifically chargeable to any other account.
(b) This account shall be maintained in such a manner that the service company can furnish full information with respect to the amounts included herein.

Code of Federal Regulations

Note: When any item included in this account is retired or expires, the book cost thereof shall be credited hereto and charged to account 426.5, Other deductions.