Resource reserve “Pilka” shall be classified as national nature reserve – protected area. Resource reserve “Pilka” shall perform the following functions: (a) conservation, reproduction and restoration of the population of American mink, salmon species, grayling, waterfowl, wild ungulates and the range of Siberian cedar forests; (b) conservation of reference, unique and sacred for the indigenous population natural complexes and objects; (c) ecological education of the population; and (d) monitoring of natural complexes, communities and populations. The following activities shall be prohibited on the territory of the reserve: (a) fisheries, hunting for waterfowl, wild ungulates, American mink; (b) water management and any actions modifying hydrological regime of surface water and groundwater, navigation of motorboats; (c) main use felling; (d) construction and placement of industrial facilities, high-voltage lines, main pipelines and roads; (e) exploration, mining, any types of soil cover and vegetable cover disturbance, plowing up, blasting operations, industrial timber extraction; (f) traffic and parking of motor vehicles outside public roads and waterways of common access, water logging, passage of livestock; (g) collection of various specimen, except for scientific research purposes; (h) hunting in excess of the established quotas, destruction and capture of wild animals and birds, destruction of burrows, nests and other hiding places and shelters, as well as all kinds of changing conditions of animal habitats; (i) application of pesticides, as well as to combat pests, plant diseases and weeds, and also for the regulation of number of animals; (j) pollution of the territory by domestic and non-domestic waste; (k) flight of aircraft lower than 500 m, overcoming the sound barrier by technical means, as well as other types of noise pollution impact exceeding established limits; (l) movement, passage and transit of extraneous persons without prior authorization by the authorized regional environmental protection body; and (m) any activity damaging the state of natural complexes or contrasting the objectives of resource reserve. By agreement with the regional environmental protection bodies can be authorized the following activities: (a) scientific research; (b) performance of required fire-fighting, sanitary and epidemiological arrangements; (c) rehabilitation activity in areas damaged by natural disasters or by unauthorized human activities; (d) collection of specimen for scientific research purposes; (e) licensed hunting (capture) of wild fauna species, except for ungulates, within established quotas; and (f) in some case regulated environmental tourism.