The United States Secret Service intends to negotiate on a sole source basis with CelleBrite USA Corporation, 266 Harristown Road, Suite 105, Glen Rock, NJ 07452 for a proprietary software upgrade. This notice is neither a request for proposal nor a solicitation of offers. Based on this requirement, the Government intends to solicit and negotiate with one source under the authority of FAR 6.302. A determination by the Government not to compete this proposed requirement on a full and open competitive basis upon receipt of responses to this notice is solely within the discretion of the Government. No formal solicitation package is available. Only written e-mailed ([email protected]) inquiries will be responded to and must be received no later than 3:00 pm, local time, July 4, 2010. The Government anticipates an award date on or about July 6, 2010. The Government will not be responsible for any costs in the preparation of responses to this announcement.