What happened to OCC1990-017 : managers of food serving and lodging establishments-it is missing in 1980?

What happened to OCC1990-017 : managers of food serving and lodging establishments-it is missing in 1980?

Looking at the crosswalk between OCC and OCC1990 (available for download at the bottom of the Occupation and Industry Variables page), it appears that there was not an adequate occupation code equivalent in the 1980 occupation coding scheme. This does appear to be the case upon further examination of the 1980 Occupation Codes.