This article is from the Scouting FAQ, by Bill Nelson firstname.lastname@example.org, Soaring Golden Eagle email@example.com and Alan Houser firstname.lastname@example.org with numerous contributions by others.
First take a look at your Cub Scout Leader Book
in Chapter 5. Then go to your Council Program Office. It is the official
source for this information. Different Councils have different
local policies, so it is wise to check with them.
The BSA policy is stated in the Guide to Safe Scouting, which
is available at your scout shop.
An unofficial on-line version is at: