```\nfunction setFeeReceivers(\n    address ecosystem,\n    address marketing1,\n    address marketing2,\n    address treasury\n) external authorized {\n    require(\n        ecosystem != address(0) && marketing1 != address(0) && marketing2 != address(0) && treasury != address(0),\n        "VoxNET: zero address provided"\n    );\n\n    ecosystemFeeReceiver = ecosystem;\n    marketingFeeReceiver1 = marketing1;\n    marketingFeeReceiver2 = marketing2;\n    treasuryFeeReceiver = treasury;\n\n    emit FeeReceiversSet(ecosystem, marketing1, marketing2, treasury);\n}\n```\n