Citizens Financial Services (CZFS) 10-Q 2018 Q1 Quarterly report

EXHIBIT 32.1

Section 1350 Certification

of Chief Executive Officer and

Chief Financial Officer

In connection with the Quarterly Report of Citizens Financial Services, Inc. (the "Company") on Form 10-Q (the "Report") for the period ending March 31, 2018 as filed with the Securities and Exchange Commission, the undersigned certify, pursuant to 18 U.S.C. Section 1350, as added by Section 906 of the Sarbanes-Oxley Act of 2002, that:

1.   The Report fully complies with the requirements of section 13(a) or 15 (d) of the Securities Exchange Act of 1934; and

2.   The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods covered in the Report.

May 10, 2018	By:	/s/ Randall E. Black
		Randall E. Black
		President and Chief Executive Officer (Principal Executive Officer)

May 10, 2018	By:	/s/ Mickey L. Jones
		Mickey L. Jones
		Chief Financial Officer (Principal Accounting Officer)