[massarog]

"We also allow for specific rewarding around the Like button, provided the incentive is open to all new and existing users who Like your Page."

We are compliant with this.

[ceejayoz]

The screenshot shows reward for sharing, which isn't covered by that.

Based on the screenshot, you're doing the Like rewarding in the non-compliant manner, not the compliant one - doesn't appear that pre-existing likes get the 10 entries.