Legacy mod-11 check (weights [4,3,2,7,6,5,4,3,2,1], sum mod 11 == 0).
[4,3,2,7,6,5,4,3,2,1]
sum mod 11 == 0
Returns true iff the CPR satisfies the pre-2007 modulus constraint. Useful for callers that want to flag pre-2007 numbers; not used by validate().
validate()
Legacy mod-11 check (weights
[4,3,2,7,6,5,4,3,2,1],sum mod 11 == 0).Returns true iff the CPR satisfies the pre-2007 modulus constraint. Useful for callers that want to flag pre-2007 numbers; not used by
validate().