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What if I want to cancel my registration or switch to another class?

Please be advised that the cancellation/transfer policy for this ONS online course is as follows.


  • If you wish to cancel your online course registration, you must notify ONS by sending your request via email to prior to accessing the online course. ONS will provide you a monetary refund equal to the cost of the online course registration minus a 30% cancellation fee.
  • No cancellations will be accepted after the scheduled end date of the course.


  • ONS will provide a one-time transfer to the next available online course for which you have registered as long as the transfer request is received via email to prior to the scheduled end date of the course. If you are transferring an ONS/ONCC Chemotherapy Biotherapy Certificate Course registration, you will incur a $75 transfer fee.
  • No course transfers will be allowed if received after the scheduled end date of the course.

If you have questions regarding registering for a course or want the full disclosure sent to you, contact ONS customer service at 866-257-4ONS (4667) and select option 2. Office hours are Monday through Friday from 8:30 am–5 pm EST.