Notwithstanding any provision in this chapter to the contrary, any person wishing to perform or undertake any development in the first tier of the coastal zone, as defined in Title 12, chapter 21 of this Code, shall obtain a coastal zone permit pursuant to Title 12, chapter 21 of this Code, prior to commencing or undertaking such development. Issuance of a coastal zone permit for said development shall constitute compliance with this chapter, and in such event no permit shall be required for said development pursuant to this chapter.