The most common and most likely answer to this crossword clue is the 11 letter word ENFORCEABLE
E
N
F
O
R
C
E
A
B
L
E
Buddy explains!

The straight part
We know that "Laws should be" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case laws should be = enforceable.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ENFORCEABLE mean?
ENFORCEABLE adjective- Capable of being enforced.