🚫 Closed channel The system simply won't let a link to a closed channel through. The channel for promotion should be available to all users.
🚫 Empty channel without description and posts The channel should have posts, it should be maintained regularly.
🚫 Inactive channel There should be activity before, during and after posting adverts.
⚠️ Emoji in channel name Emoji of lightning bolts, fingers, exclamation marks (anything that attracts attention) will probably not be missed.
⚠️ Channel name is capitalised Capital letters can be used if they are part of your brand name that is used consistently in adverts. In other cases, this spelling should not be used.
Content (in Telegram-channel, posts, adverts and other placements)