www.mastercd.pt is the URL branding used by the label "MasterCD" in the matrix of CDs/DVDs to promote their services.
Please use this profile only where MasterCD is credited via the URL branding "www.mastercd.pt".
For release which credit "MasterCD" for example by text or logo, please use MasterCD.
If a release mentions both, the URL branding and the label "MasterCD", please add both entries to the LCCN section in separate fields.