Newcastle Municipality published the "Newcastle Municipality Spatial Planning and Land Use Management By-Law" in the KZN Provincial Gazette No. 1517, 9 October 2015. It is Municipal Notice 193 of 2015. Please see https://sites.google.com/site/akznplanner/kzn-spluma-municipal-planning-bylaws/adopted-gazetted-municipal-planning-bylaws for a copy of their bylaw.
Do you know if the delegations published in KZN Provincial Gazette No. 1517, 9 October 2015 is Newcastle's? Please see
https://sites.google.com/site/akznplanner/kzn-spluma-delegations for a copy of the unknown municipality's delegations published in terms of Section 56 of SPLUMA in the KZN gazette.
Note that KwaSani Municipality published their amended delegations in terms of the PDA in the KZN Gazette. See
https://sites.google.com/site/akznplanner/kzn-spluma-delegations for a copy of this.