Proposals must be submitted directly in Quantum Supplier Portal following this link: 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.