This seems to be a perennial favourite, but I wonder if I can get a final answer?

My club chairman was telling me yesterday that in taking relief from something, the club length I measure with has to be the club I would normally use to play the shot.

I'm pretty sure my Peter Dobereimer book says the opposite; that I can use any club I like to measure it - including, if I wish, borrowing a broom handled putter from a different group on the course as long as I do not unnecessarily hold up play.

Who's right? I was wondering if it was a decision rather than a rule, and that was why I hadn't heard of it?

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Personal bests 2007;
Best 18: 78 (+12)
Best 9: 37 (+4)
Best Stableford: 45 pts
Best total putts: 28
Best total length sunk putts (ft): 54

Club tourney history this year: Captain's Day - 1st; Club foursomes - 2nd; Dimex Stableford - 2nd; Club Championship - 13/28 gross, joint 5/28 nett; Ferebee Shield - 2nd; Sept Medal 2nd; Autumn Stableford - 1st