Form Business rates (non-domestic rates) data collection final figures: return form 2019 to 2020 Local authorities must complete this form (NDR3) to submit their final non-domestic rates contribution. Part of: Local government First published: 1 May 2019 Last updated: 13 May 2020 Related Local governmentBusiness rates (non-domestic rates) data collection final figures: guidance 2021 to 2022