A developer supply container includes a developer accommodating body configured to accommodate developer, with the developer accommodating portion being provided with a gear portion. The developer supply container also includes a developer discharging body in fluid communication with the developer accommodating body, with the developer accommodating body being rotatable about a rotational axis thereof relative to the developer discharging body. A track is provided at each of opposite sides of the developer discharging body, each track including a fixed portion fixed on the discharging body and an elastically deformable portion extending from the fixed portion to a free end portion that is displaceable from the discharging body such that the elastically deformable portion intersects a horizontal plane that is parallel to the rotational axis.