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Manure Applicator Certification (MAC) Renewals due by March 1
February 13, 2025
DES MOINES, Iowa, Feb. 13 -- The Iowa Department of Natural Resources issued the following news release:

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Manure Applicator Certification (MAC) Renewals due by March 1

DES MOINES -- Certificates expire annually on March 1 for commercial manure applicators. Confinement site certificates are viable for three years ending on Dec. 31, with a two-month grace period for renewals.

All applicators renewing certificates - commercial and confinemen . . .

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