Non-domestic industrial sales fell by 10.6% year-on-year and domestic industrial sales declined by 5.4% in October, according to figures published on Thursday by the statistical office of the Serb Republic.
On a monthly comparison basis, industrial sales went down 1.7% in October, following a revised increase 4.1% in September.
Bosnia's Serb Republic industrial sales increased by 24.7% last year, the same office has said earlier.
The Serb Republic is one of two autonomous entities that form Bosnia and Herzegovina. The other one is the Federation.