Art. 16 (4) and (5) DSA:

4. Where the notice contains the name and an electronic mail address contact information of the individual or entity that submitted it, the provider of hosting services shall, without undue delay, send a confirmation of receipt of the notice to that individual or entity.

5. The provider shall also, without undue delay, notify that individual or entity of its decision in respect of the information to which the notice relates, providing information on the redress possibilities in respect of that decision.