The Media has to accept or decline the Submission within 48 hours (from the Submission) to get the credits. 

Late feedback, even if positive, won’t be paid after the 48 hours deadline. 
Then, if the Media approves the Submission, he has 15 days from the approval to send to the Submitter the link or the reference of the support he gave to the Submission, whether it is an article on a blog, a page post, a radio airplay of the Media’s network etc.. The Media can send the support by the comment tab in the “approved” section of the dashboard. 

If the Media fails to send the link back within 15 days from the approval, the Submitter will be refund of the credits charged for the specific Media that failed to finalize the process.