(a) General rule.--The instrument shall set forth, subject to section 109 (relating to name of commercial registered office provider in lieu of registered address), the address, including street and number, if any, of the registered office of the business trust in this Commonwealth.

(b) Change.--The registered office of a business trust may be changed by an amendment of the instrument or by including the change in an annual report under section 146 (relating to annual report).

(c) Alternative procedure.--A business trust may satisfy the requirements of this chapter concerning the maintenance of a registered office in this Commonwealth by setting forth in any document filed in the department pursuant to any provisions of this title that permits or requires the statement of the address of its then registered office, in lieu of that address, the statement authorized by section 109(a) (relating to name of commercial registered office provider in lieu of registered address).

(d) Effect of statement.--A statement regarding the registered office of a business trust set forth in a document filed in the department pursuant to this section shall operate as an amendment of the instrument.