Please indicate whether you intend to submit a bid by creating a draft response without submitting directly in the system. This will enable the system to send notifications in case of amendments of the tender requirements. Should you require further clarifications, kindly communicate using the messaging functionality in the system. Offers must be submitted directly in the system following this link: http://supplier.quantum.partneragencies.org  using the profile you may have in the portal. In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in guides available in UNDP website: https://www.undp.org/procurement/business/resources-for-bidders.  Do not create a new profile if you already have one. Use the forgotten password feature in case you do not remember the password or the username from previous registration.Note: Please be informed that the Invitation to Bid  (ITB) UNDP-TKM-00182 allows for the submission of Alternative Bids. Each option offered must be submitted as a separate bid, clearly labeled as "Main Bid" and "Alternative Bid" to ensure clarity in evaluation.Alternative bids will be accepted only if accompanied by a compliant with minimum technical specifications main bid clearly marked as "Main Bid". Alternative bids in turn must be clearly marked as "Alternative Bid". Alternative bids will be considered if they present potential improvements and/or focus on safety and environmental innovations while not exceeding the price of the second lowest substantially compliant bid.