H1B Visa stamping drop box option

For an individual with a valid I-94 but no H-1B passport stamp(expired 1.5 Years back), can avail the drop box option, It’s told that there is a drop box option available for every body till this 2023 end, is it a accurate information?

Check if you are eligible for Dropbox.

If you are, then you will be able to use it.

Thank you, could you pls help me where I check my eligibility?