Projects fees are introduction fees collected for using the site to start and complete projects. How the project fee is charged depends on the type of project.
For Hourly projects, a 3% fee is charged whenever you release a payment to a freelancer.
For Fixed-price projects, 3% of the winning bid or $3.00 USD—whichever is greater—is collected when the awarded freelancer accepts your project. If you subsequently pay the freelancer more than the original bid amount, project fees will be charged for additional payments.
In the case of Recruiter projects, regardless as to whether they are Hourly or Fixed-price, the 15% project fee is charged whenever a payment is released to the freelancer.