The Accident Insurance Compensation Board (TAKO) issues guidelines to promote the uniformity of compensation practice under the Workers’ Compensation Act.
Also, the Finnish Workers' Compensation Center (TVK) issue guidelines to promote the uniformity of the implementation of the law in matters that do not belong to TAKO's responsibilities. The guidelines regarding the implementation concern, for instance, the uniformity of insurance policies.
The central guidelines issued by TAKO and TVK regarding the implementation of the Workers' Compensation Act can be found on the Finnish page Ohjeet, but unfortunately they are available only in Finnish.
The guidelines regarding the implementation of the Employment Accidents Act issued before 2016 can be found here.