The shortest version of the answer. If applicable, begin with a clear 'Yes.' or 'No.', followed by max. one sentence.
Go to the data submission page and start the submission process.
Include as much detail as necessary.
Log in with your GFBio account (or via your institutional DFN-AAI login). After successful login, you are asked to answer a limited number of questions before you can upload your data (respectively metadata) files. The uploaded files will be checked by our curators for standard conformance and they will come back to you if they need additional information.