Exhibit 31.3
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Michael A. Mullen, certify that:
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			 I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of National Holdings Corporation; and  | 
		
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			 Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.  | 
		
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			 Date: January 28, 2020  | 
			
			 By:  | 
			
			 /s/ Michael A. Mullen  | 
		
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			 Michael A. Mullen  | 
		
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			 Chief Executive Officer  |