Procurement

Purchasing Methods

Different Methods of Purchasing

There are several ways that you can make a purchase:

» Purchase orders

When to Use the Different Methods of Purchasing

The following table shows when to use the different methods for acquiring goods and services. These are the upper limits approved by the Institution that a department or administrative unit can not exceed. A department may set actual transaction limits or administrative unit may be lower than the limit stated here. Consult your department to find out your specific limits. Explanations of each category follows the table.

Dollar Value WHOI Corporate Card Purchase Order
$1 to $4,999 recommended not recommended
$5,000 and Over not available required

$1 to $4,999

The WHOI Corporate Card is recommended for all purchases less than $5,000.

$5,000 and Over

A Purchase Order is required for purchases that are not categorically exempt (see above).

Last updated: June 21, 2017