You can change your publishing frequency by following these steps.
Create a new subscription duration following the steps below.
Once the new subscription has been approved, remove the old subscription from sale.
NB! Please do not delete the subscription.
Here are the steps to remove an In App Purchase from sale in iTunes Connect.
+ Login to iTunes Connect > Click My Apps > Select your App > Click on Features
+ Click on the Subscription you want to remove
+ Click on it’s Product ID
+ Click on Edit
+ Select “No” next to Cleared for Sale.
+ Click Save.
NB! Update your app information to reflect the the new publishing frequency and subscription.
To locate the App Description, click on your App Version in the left-sidebar menu.
Under Version Information > scroll down to the Description field (below your app screenshots).
Update the relevant details.