If I forget to "certify" a timesheet can my employer refuse to pay me?

My company does their time sheets on an online portal and requires that the employees "certify" the time sheet at the end of the pay period. Only having to do this every couple of weeks it's reasonable that a few employees would forget. The woman in charge of payroll every once and a while will send out an email threatening to not send our time sheets in and saying we will not be paid. Is that right? Could they not pay us?

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Live and work in Kentucky.

Written By: jim51riffe
Source: http://bit.ly/2PcAjLL