Decoding 1962 Buick Wildcat Firewall

I have a 1962 Buick Wildcat. I have decoded most of the firewall plate information but I can't yet identify the ACC code of "2-4" Anyone have that information? Thank you.
Does your car have a body built in Kansas City by chance? Around that time, that plant used its own ACC codes that do not match those of other Fisher Body Plants. So far as is known, no one has found the data to decode these.

Here is a similar thread on a 1963 LeSabre convertible with 2-13 on the ACC line.

It seems to be from Kansas City as you suspected. I should have sent the entire plate information. I've included it now with the attachment. Thank you for helping. Larry


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