All responsible sources may submit an offer which shall be considered by the agency. Maintenance is to be performed at zip code 63120. The period of performance will start 30 days after contract award. Offers for the items(s) described above are due by May 22, 2015, no later than 2:00 PM Eastern Standard Time to [email protected]. Offerors shall provide the information required by FAR 52.212-1 (APRIL 2014), Instructions to Offerors-Commercial, which is incorporated by reference. If the end product(s) offered is other than domestic end product(s) as defined in the clause entitled "Buy American Act -- Supplies," the offeror shall so state and shall list the country of origin. FAR 52.212-4 (MAY 2014), Contract Terms and Conditions-Commercial Items is applicable. FAR 52.212-5 (JUNE 2014), Contract Terms and Conditions Required To Implement Statutes or Executive Orders-Commercial Items is applicable and the following identified clauses are incorporated by reference: FAR 52.219-6, FAR 52.222-3, FAR 52.222-19, FAR 52.222-21, FAR 52.222-26, FAR 52.222-36, FAR 52.225-1, FAR 52.225-13, and FAR 52.232-33. The FAR may be obtained via the Internet at http://www.acqnet.gov/far. All contractual and technical questions must be in writing (e-mail preferred) to Paul Merritt not later than May 20, 2015. Telephone questions will not be accepted. Selection and award will be made to the lowest priced, technically acceptable offeror, with acceptable past performance. Technical acceptability will be determined by review of information submitted by the offeror which must provide a description in sufficient detail to show that the product offered meets the Government's requirement. If offerors are not registered via the ORCA website at http://orca.bpn.gov, offerors shall complete and return a copy of the provision at 52.212-3, Offeror Representations and Certifications - Commercial Items (MAY 2014) with their offer. These representations and certifications will be incorporated by reference in any resultant contract. It is the offeror's responsibility to monitor the internet site for the release of solicitation amendments (if any).