Local authorities then started the so-called Durban system which required permits from people who were in town to restrict the influx of population. The authorities then instituted the Native Beer Act of 1908, which allowed the municipality to brew and sell beer for self-finance.
Local authorities implemented a control mechanism called the Durban system by enforcing permit requirements on residents to regulate population influx. Simultaneously, they enacted the Native Beer Act of 1908, permitting the municipality to brew and sell beer for revenue purposes.