Can't apply Page Border guideline preset.

Version: CorelDraw 12

OS: Windows 8

Page Size: Business Card

I want to a apply Guideline Preset of Page Border so I can see guidelines around my page. But they don't appear. I can see 4 guidelines in the Object Manager docker though.

BUT if I change the page size to A4 this preset appear just fine.

I'm a new user. Anyone can explain this behavious?

Thanks