How to get the Project clearing account cleared for sales order lines with project

Summary:

How to get the Project clearing account cleared for sales order lines with project

Content (please ensure you mask any confidential information):

When we have a sales order line with out a project, the accounting will be :

DR / Deffered COGS

CR/ Inventory Valuation

Then later on , the Deffered COGS get reconcilled with the COGS account as below:

DR/ COGS

CR/ Deffered COGS

now when we have the project mentioned on the sales order line , the accounting is showing

DR / Project clearing

CR/ Inventory Valuation

but later , we found that the Project clearing is not getting econcilled, how this account get closed or reconcilled, is there is a conncurrent or task excuting this?