What agency is it? The two buck tags should be mounted on the radiator support. Here's is a photo of the type of buck tag my car would have come with (not mine, but taken from another 85 CHP). Note the 6-digit DSO is listed on the 2nd buck tag, as well as some of the specific SSP options -
Depending on the agency, look for a hole in the a-pillar(s) for where the spotlight(s) was mounted.