When does an organization require to attach a Schedule G along with the Form 990-EZ?

An organization is required to complete and attach a Schedule G along with its Form 990-EZ if the sum of the organization's gross income and contributions from Fundraising events and gaming activities exceeds $15,000.
 
Part I of the Schedule G doesn't have to be completed by an organization that is filing the Form 990-EZ.
 
The Schedule G will be generated automatically if required while filing your Form 990-EZ using the 'Interview-Based' filing in Tax990. The Schedule G will be made available to you depending upon the information you enter in your Form 990-EZ using the 'Form-Based' filing in Tax990.