If you don't make any durable goods purchases during your regular performance period, you can extend the performance period for this credit back to include older qualifying purchases. Remember that the performance period for any prerequisite or credit can

If you don't make any durable goods purchases during your regular performance period, you can extend the performance period for this credit back to include older qualifying purchases. Remember that the performance period for any prerequisite or credit can last for a maximum of 24 months, at the discretion of the project team, but all performance periods must overlap and terminate within 30 days of each other.