i'v been looking for hours for a safe meeting guide lines

i know i read a good one some where here but can not find it now as i wont it for me and i have a mate and she is thinking about meeting some one and as it would be a bdsm meet and i think some of the guide lines for meets are not the same as just dating sites guides lines i just wont my mate to be safe as much as she can as she is not in the uk i can not go with her i hope one of you nice people can help me thank you