Contract dates modification

Given:
Today's date: 07/26/2021
Contract start date: 8/10/2021
Contract end date: 7/9/2022

Date modifications:
Modify contract start date to: 8/6/2021
Modify contract end date to: 7/6/2022

Steps:
1) Set reference date to 08/10/2021
2) Lease contract > Contracts > Find this specific contract
3) "Shift contract dates" action item should appear on the right
4) New start date: 8/6/2021; New end date: 7/6/2022; OK
5) If applicable: please go to the bedroomized contract line for this contract and update payment pattern start date from 8/10/2021to 8/6/2021.