In the giver why are rules printed in all caps?

The rules in "The Giver" are printed in all caps to emphasize their importance and seriousness. The society depicted in the novel is highly regimented, and the rules are designed to maintain order and conformity. By printing the rules in all caps, the author draws attention to their significance and the consequences of breaking them. It also suggests that the society has very strict rules that must be followed by its members, and that the rules may not be broken or challenged.