State ex rel. Occidental Chemical Corp. v. Bureau of Workers' Compensation

Diamond Shamrock Corporation (“Diamond”) went through significant corporate changes in the 1980s. Two are relevant here: (1) the convoluted merger of Diamond’s chemical division into Occidental Chemical Corporation (“Occidental”) and (2) a change in workers’ compensation insurance status.

In 1983, Diamond changed its corporate structure. A holding company of the same name was formed. Nonchemical operations were transferred to newly created subsidiaries of the new Diamond. The chemical component of old Diamond became a subsidiary of the new Diamond and changed its name to Diamond Shamrock…