Vin Number

[BBBAD94ZR1]

Hey guys,
Im buying a Zr1 and I have a question is the vin suppose to have 16 or 17 digits?
The owner gave me only 16 digits is the 4 and 5 digit suppose to be a YZ or just a Z. My isurance company told me im missing something.
Please help me out here.

Thanks
RAY:icon_scra

[Jeffvette]

Supposed to be 17 digits. 4th digit should be a "Y" and the 5th a "Z"

[BBBAD94ZR1]

Thank you.
RAY