Nothing about actually having to show any footage or promotional material from a PE day. Nuffin.
Regs
22) TRACK RUNNING TIME OUTSIDE AN EVENT AND WIND TUNNEL TESTING
22.1 Testing of Current Cars (TCC) shall be defined as any track running time, not part of an Event, in which a competitor entered in the Championship participates (or in which a third party participates on behalf of a competitor), using cars which were designed and built in order to comply with the 2013, 2014 or 2015 Formula One Technical Regulations. No competitor may sell or make available a car of the current year to any third party without the full knowledge of the FIA.
Each competitor will also be permitted to carry out two Promotional Events (PE) with the above cars which will not be considered TCC. A PE shall be defined as an event in which a competitor participates purely for marketing or promotional purposes. No such test may exceed 100km in length and only tyres manufactured specifically for this purpose by the appointed supplier may be used.
In order that an FIA observer may be appointed, competitors must inform the FIA of any planned TCC or PE at least 72 hours before it is due to commence, the following information should be provided :
i) The precise specification of the car(s) to be used.
ii) The name(s) of the driver(s) if known.
iii) The nature of the test.
iv) The date(s) and intended duration of the test.
v) The purpose of the test.