Possible Clues:

• Sale type with huge discounts
• Authority allows funny man to join African party in church
• Tunnel entrance stat
• It's obvious an establishment needs to get rid of rubbish
• Go-ahead
• In brief drop, royal character getting permission to fly
• Official permission (for an action)
• Gap: 'Everything Must Go!'
• Defender might make this play
• Clubs find out about a church blessing