Periods of Study or Research Abroad 1. Planning Identification of the host institution; Formal letter of invitation; Agreement with the Supervisor; Verification of financial coverage. 2. Authorization Notification to the PhD Office; Activation of the 50% scholarship increase for the period abroad. See the University procedure; Periodi di studio o ricerca all’estero: come ottenere la MAGGIORAZIONE di borsa del 50% Submission of the Mission Authorization and reimbursement request on X-UP at least 15 days before departure. 3. Upon Return Activity report; Certification of the period completed and supporting documentation, in accordance with the mission procedure.