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OCLC Support

Why are ILL Request numbers not incremental?

Symptom
  • When a request shows up, you notice that it is not in consecutive order and want to know why
Applies to
  • ILLiad, Tipasa, WorldShare ILL
Resolution

Here are the reasons the ILL request numbers are not incremental:

  1. There are multiple processes running on OCLC’s end and each of them reserves a block of request numbers to use. 
  2. When that block is used up, it grabs a different block.
  3. It is possible you might see sequential numbers and other times the numbers won’t be.
  4. There is no guarantee they’ll be exactly sequential; the numbers should just be close enough.
Page ID
31374