abrdn National Municipal Income Fund (VFL) Form 4 Delaware Investments National Municipal Income Fund / DOMINION BANK TORONTO ownership change

EXHIBIT 99.1

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange), and further agrees to the filing, furnishing, and/or incorporation by reference of this agreement as an exhibit thereto. This agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party.

IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date set forth below.

	TORONTO DOMINION INVESTMENTS, INC.
Date: December 22, 2022	By:	/s/ Christina Petrou
		Christina Petrou
		Vice President & Chief Operating Officer

TORONTO DOMINION HOLDINGS (U.S.A.), INC.
By:	/s/ Christina Petrou
	Christina Petrou
	Vice President & Chief Operating Officer

TD GROUP US HOLDINGS LLC
By:	/s/ Cody Botnick
	Cody Botnick
	Assistant Secretary

THE TORONTO-DOMINION BANK
By:	/s/ Christina Petrou
	Christina Petrou
	Vice President