For Telecom Equipments
Change or modifications performed on the certified equipment that do not affect compliance with approved Essential Requirements will require certificate modification without going through the process of testing. Examples of such modifications are:
After examination of the application TEC will issue a new certificate reflecting the changes.
Any other modifications performed on the certified equipment that affects its conformance with approved Essential Requirements will require fresh certification. Some examples (not limited to the following) of such modifications are:
The modified equipment shall be sold or used only after fresh certificate is issued by TEC.
A change in software, by way of major revision / minor revision / patch / bug fix / update does not necessarily call for certificate modification, unless the change has resulted in non-conformity or non-compliance to ERs, to which the equipment was earlier compliant. The OEM himself is responsible for ascertaining the same and applying for certificate modification, should such a need arise.