When my dad sent me his guest list, one of the invitations was for an old family friend who receives his mail at his company rather than at his home. The address he sent me was written thusly:
John and Jane Doe
c/o John's company
3901 Street Address
Anaheim, CA 92807
When I wrote the save the date, I wrote it just like that, but now that we're addressing formal invitations, I don't know how to deal with the c/o. Do I write out a full 'care of'? Do I just write 'c/o'? Or is there another option?