when is the true up due for workers compensation
April 30, 2016. 6th installment due to the Ohio BWC (May & June 2016) if on bi-monthly. payment plan. May 1, 2016 Estimated premium notice for policy year 2016 mailed to employers from BWC. July 2016 BWC will send true-up notice. June 30, 2016. 1st installment due to the Ohio BWC for the 2016/2017 policy year. (Employer may have other payment options available). August 15, 2016. The true-up will calculate any variance from estimated payroll to actual payroll for. the period July 1, 2015 - June 30, 2016. The true-up must be done online or over.