Posting unsolicited letters is not against the law, only applies to electronic mailings such as texts and emails.
Unless the data is held in a retrieval system, mechanical or electronic in which case the Data Protection Act comes into force.
Without getting into information overload - suffice to say obtaining, storing and using data which personally identifies individuals places a number of important legal requirements on the business concerned especially if the data is not for the sole purpose of invoicing. More so when such data is of individuals who are not customers of the business.
OSFS are genuine people as such I can trust them to have a look their obligations, specifically at the security of the data, just in case they missed anything.
OSAF - thanks for popping in and confirming the position of the people at BFC and OSFS. The last thing anyone needs is the ghost of OSFC hanging about continuing to have influence.
I'd just like to say the BFC members grass field training session we did there the other day was great fun. The pilots learnt a lot and the fear of grass was totally banished, so I expect many of them will return to sample again the delights over at Old Sarum Airfield - thank you OSAF!