On 5 September 2018, Turkey published Decree No. 62 in the Official Gazette, which includes an increase in the monthly interest penalty for late payment of public receivables (taxes) from 1.4% to 2.0%. Further, General Communiqué Series C No. 3 was published on 6 September 2018, which includes an increase in the annual interest rate on deferred payment of public receivables from 12% to 22%. The Communiqué also includes that in relation to the increase in the monthly interest penalty, the daily penalty rate will be applied as (2/100/30=) 0.000667.

The Decree and Communiqué generally apply from the date they were published.