Stock Take - Nominal Posting?!


Could anyone tell me how the nominal posting works when you've ran a stock take.  

My stock cards are now showing the correct amount, but what has happened to the stock in the nominal accounts?  From what I can tell nothing has happened.  The stock take only corrects the stock cards.  Do I therefore have to post a manual adjustment to the nominals to record this stock write offs?

Seriously scratching my head on this one!