HT-2021-000363 - [2025] EWHC 532 (TCC)

IGZXANE is a 24-byte CSECT that is bound into a user load module as a stub routine and provided by IBM in the SCEELKED library with z/OS. As such, it is an ICA Program for the purpose of the ICA.

On 11 January 2019 DR3802 was opened, requesting Winsopia to compile all NIST Programs in the IC suite using COBOL version 6 with compiler listings. Winsopia duly sent the requested load library and compiler listings. A comment added on 15 February 2019 noted that a couple of the modules contained a CSECT called IGZXANE which should have been redacted but was not.

It is common ground that a CPX bug allowed IGZXANE to remain in a scrubbed package and the load module was sent by Winsopia to LzLabs. This bug was identified and subsequently CPX was modified to fix it. The experts agreed in their second joint statement that there is no evidence that IGZXANE was used by LzLabs in the development of the SDM.

It follows that the transfer of this ICA Program out of Winsopia to LzLabs amounted to a breach of the ICA but the breach was inadvertent and the problem was swiftly resolved. On that basis, it was inconsequential.