All actions - is it possible for the researcher recruited in an ITN, IF or Cofund to work in additional H2020 projects, and have a higher salary top-up from such a project?

According to Art. 32 of the Model Grant Agremement, the researcher cannot receive for activities carried out in the frame of the action, other incomes than those received from the beneficiary (or any other entity referred to in Annex 1).