Transition to the 13-Digit ISBN for US Publishers

Is your ILS ready for a 13-digit ISBN?
: "There is concern in the U.S. publishing community that the transition from a 10-digit to 13-digit ISBN will be a costly endeavor that must be completed by January 2005. Many publishers have also voiced the opinion that this transition is unnecessary for them, as they have sufficient capacity in their allocated 10-digit ISBN ranges for many years to come...
Libraries use ISBNs for:
Ordering
Copy-cataloging
Lending statistics
National lending right
Interlending
Union catalogs"