By law, Kansas' educational standards require periodic revision.

To be sure, the inaccuracies are corrected in periodic revisions of the monthly data.

But the truth is that magazines need periodic revision.

Although the 400-plus-year history of Mexico since the Spanish conquest undergoes periodic revision, some parts never change.

The Classification undergoes periodic revision as new hood and gown patterns emerge.

He had decided to do one of the periodic revisions he routinely ran through to check that everything in the book was flowing smoothly.

The anthology underwent periodic revisions every few years.

And then there is the cost of periodic revisions of operating system and software.

Concerning the duration of the regulation, our position has been to support an unlimited duration subject to periodic revision following evaluations.

Two months later, the Federal Government is to compile a master list for periodic revision.