What is the fine-grained topic of the following text: A letter sent to the Governor of BoG with copies to the vice president and the chief of staff maintained, “OccupyGhana respectfully writes to formally request for copies of contract documents and agreements between the Bank of Ghana (BoG) and Sibton Switch Systems Limited in relation to the Mobile Money Interoperability contract abrogated by the current Government of Ghana. Only return the topic.
Request for copies of contract documents between the Bank of Ghana and Sibton Switch Systems Limited regarding the Mobile Money Interoperability contract.