BobKamman
Level 15

The login ID and password you are creating are for your personal use - to file the organization’s Form 990-N. With your login ID and password, you may file a Form 990-N for multiple organizations without the need to register for each organization. The login ID and password belong to you, not to the organization for which you are filing.

https://www.irs.gov/pub/irs-pdf/p5248.pdf