But, if you're referring to an employee we can add a reimbursement type on the Pay type.
Here's how:
Go to Payroll, then Employees.
Choose an employee.
In the Pay types, click Edit.
Select + Another Reimbursement type.
Enter the information needed.
Click Save.
Here are some resources to learn about the most commonly asked questions regarding Form 1099s in QBO. The topics include 1099-NEC, 1099-MISC, and 1099-K: