Police issued a fine on Friday evening as a member of the public failed to wear a mask at Woolworths.
At about 6pm in Ararat, officers imposed a $200 fine.
A police spokesperson, of Ararat, said the incident served a reminder for the public to follow the recommendations and guidelines set out by the chief health officer.
The DHHS said from 11:59pm on Sunday 2 August 2, every person living in Victoria must wear a face covering when they leave home.
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The change followed a recent concerning increase in coronavirus (COVID-19) cases in Victoria and increasing evidence that wearing a face covering helps prevent the spread of coronavirus (COVID-19).
Wearing a face covering provides an additional physical barrier and helps to reduce community transmission.
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