That is just the Office of Management and Budget (OMB) form number - it it not the form type.
A OMB No1545-0008 form is simply a W-2.
https://www.irs.gov/pub/irs-pdf/fw2_18.pdf
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**