The section “Participation(s) to declare” in your online file contains contributions that were once added to your repertoire based on internal research.
In other words, you did not declare them yourself. As a consequence, it is important to check whether this information is also correct. Where appropriate, you can complete that information before confirming your participation and turning it into a declaration. Rights are not paid until such time as you have declared your participation.
Be aware that only the complete declarations made on time will be taken into account for the calculation of your neighbouring rights for a specific reference year.