Perhaps the legislation needs to be changed. Some people have suggested making even an attempt to bribe an official an offence. But even if that had been an offence, it would still have been my word against his.
Good laws are laws that create the conditions which will encourage people to stay honest. The fact remains, however, that the public good depends on people's individual honesty when they are confronted with this kind of situation. I was confronted with it and I said no.