A "submission fee" is a small amount of money that someone has to pay to send or present their work, such as a manuscript or artwork, to a company, organization, or competition. Full definition
It's easy to submit work, you just need 4 images, 1200 pixels at their greatest dimension or less, and a credit card for our late submission fee of $ 60. (newamericanpaintings.wordpress.com)
You can pay your $ 75 sample submission fee by registering here. (thenrwa.com)
Article submission fees will be affordable, ranging between 50 and a few hundred euros depending on the article type, size, and submission format, according to the journal. (sciencemag.org)