Don't be counted posts in one section

Hello.
What should I do (what to do) ,so that the posts in one section don't be counted?
Sorry my language is persian.
Thanks.

its not possible yet
but it has been suggested:
https://help.forumotion.com/suggestions-for-your-forums-f30/lock-a-topic-so-it-doesn-t-count-towards-members-post-count-t12920.htm

vote to have it on your forum

Thanks.
I vote Yes.