You are here Home Resources and guidance Resources User guide Process to change a registered over-the-counter (OTC) medicine Step 1 - Verifying your changes require prior approval Last updated 27 August 2020 Listen Print Share LinkedIn (Twitter) Facebook Email Loading... Most changes to an ARTG entry for a registered OTC medicine require our approval prior to making the change to the medicine.To determine whether your change requires prior approval check changes code tables.If your change is identified as:'SRR', 'SAR', 'N' or 'A', you will need to apply for approval prior to making the change to the medicine. Go to Step 2.'New'. Go to OTC medicines registration process as you will need to apply for a new ARTG entry.'O', you do not need to apply for approval to make the change. Previous Process to change a registered over-the-counter (OTC) medicine Next Step 2 - Determining your application level and change codes Product types Medicines