1099-MISC asks for business code. Income is for insurance renewals.

[MinhT]

You could use 524210 - Insurance agencies & brokerages or 524290 - Other insurance related activities.

The principal business code is a six digit number  that represents the field of work you are in. This code is entered on your Schedule C. The complete list of codes can be found on  pages 17-18 of the?link below:

https://www.irs.gov/pub/irs-pdf/i1040sc.pdf 

This code is for statistical purposes only and does not affect your tax. If you do not find a code corresponding to your activity, you can enter 999999.