A developer supply container detachably mountable to a developer receiving apparatus, the developer supply container includes an accommodating portion for accommodating a developer; a discharge opening for discharging the developer accommodated in the accommodating portion from the developer supply container; a developer feeding portion for feeding the developer in the accommodating portion toward the discharge opening; a rotatable drive receiving portion for receiving a rotational force; a drive transmitting portion for transmitting the rotational force received by the drive receiving portion to the feeding portion; a portion-to-be-detected for detecting rotation of the drive receiving portion; a contact surface for contacting a rotatable member provided in the developer receiving apparatus; wherein the drive receiving portion, the portion-to-be-detected and the contact are formed integrally.