Navigate to the Variations Page

From the My Contract menu at the top of any project page, select the My Variations link to go to the My Variations tab of the Variations page.
From the Subcontracts menu at the top of any project page, select the Subcontract Variation link to go to the Subcontract Variations tab of the Variations page. This option is only available if you are a Prime Subcontractor with at least one on-system Sub-Tier Subcontractor.