Does customary / traditional forest law exist in this country?
Yes, according to "Analysis of the legal framework for forest management by smallholders and communities in the Peruvian Amazon" by the ForLive Project, outside the laws and official regulations for the use of timber and non-timber forest products, communities have their own rules or agreements, which vary slightly depending on the ethnic group to which the community belongs.
In general, the official law predominates; there are few efforts to merge the rules. An additional example was the Administrative Decree No 232-2006-INRENA. In spite of being one of few laws that have merged together the rules, the impact that it had when adopted by the indigenous organisations was considerable.