English: A rectangular flag with an aspect ratio of 2:3, which consists in equal proportion of three horizontal stripes (from top to bottom): green, blue and yellow, which determine that the territory and natural treasures of the Lyman ATC (green) are an integral part of the territory and treasury of natural wealth of Ukraine (a combination of blue and yellow - the colors of the State Flag of Ukraine) and symbolize the natural features of the territory of the UTC: green - forest; blue - water bodies, yellow - steppe.

In addition, the combination of these colors determines (by its meaning in heraldry) - the combination in the life of the community of such concepts as: Freedom, Joy, Hope, Health (green); Glory, Honor, Loyalty, Sincerity (blue); Supremacy, Greatness, Respect, Splendor, Wealth (yellow).

In the upper left part of the flag of the AH, at a distance of 1/9 of the flag's length from the hoist, there are the elements of the coat of arms of Lyman ATC - a schematic image of a grain ear, a locomotive and a schematic image of the railway emblem "wings" so that the image of the ear is located on the green color of the Flag, and the locomotive and "wings" on the blue. The area of the elements of the ATC Coat of Arms is 1/20 of the area of the ATC Flag.