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entry, including the parity of the CC number itself.

=over 2

=item @CC_months

An array of 3 character text months. i.e. Jan, Feb....

=item $scalar = CC_year

Returns the localtime calendar year.

=item $scalar = CC_expired(numeric_month,20xx)

Returns true if card is expired or 
month year has bad fromat else false

=item $scalar = CC_is_zip(zipcode);

Check for valid zip code, returns B<false> or the B<zipcode>.