From the notice

The Government has a requirement for a contractor to provide Workmen’s Compensation Insurance Services for Locally Employed (LE) Staff services to approximately one hundred and fifty employees of the Government of the United States of America in Gaborone. The anticipated performance period is for a base year, with four one-year option periods, if exercised by the Government. All responsible sources may submit a quotation, which will be considered. The Government may award the contract based on the initial offer without discussion, although we may hold discussions with companies in competitive range if there is a need to do so. The resultant contract will be a fixed price with economic price adjustment requirements type contract. The Government is planning a pre-quotation conference and the date for this conference will be in the solicitation. Electronic Submission/Responses: This opportunity allows for electronic responses. Please submit your offer prior to the response date and time. Please ensure your email with your offer does not exceed 2MB, if it does then you might have to send more than one email.