c.f. Rule 1, Rule 4, Rule 7. part a, part c, part d, Rule 11. part d, Rule 12.
*This rule is not part of the standard Model Family Rules. It is in the extended set of Oddly Specific But Necessary rules that we or our friends needed to make. What oddly specific rules have you had to make?

We don’t let our sibling keep looking for the lost library book when we found it half an hour ago.