Where are User Interface GuideLine?

[Kreuz]

I read 7.9.9 Persist view state chapter.

but i can't find user interface guideline #34.

where is that? T_T

[Eric Clayberg]

I read 7.9.9 Persist view state chapter.
but i can't find user interface guideline #34.
where is that? T_T

I don't understand the question. It is listed in italic within that section.