Ref # Impact measure Formula Input / assumption
Average wage per hour : $ 47 ( see Table 28 ) Time period : First application : year before prohibition taking effect Licence renewal : five years afterwards
Total number of licenses held : Engineered stone PCBUs
� Option 1 and 2 : 0 � Option 3 : As per Ref # 4 Other industry PCBUs : As per Ref # 3
# 5 Costs of compliance audits
Total cost of compliance audits = Total number of licenses held × Frequency of compliance audits × Number of workers to participate in compliance audits × Hours per worker to participate in compliance audits × Average wage / hour ”
Frequency of compliance audits : � Engineered stone PCBUs : 1 every 3 years 62 � Other industry PCBUs : 1 every 5 years 63
Number of workers to participate in compliance audits
� Sole trader : 1 � Small business : 2 � Medium business : 2 ( Deloitte , 2021 )
Hours per worker to participate in compliance audits :
� Sole trader : 8 � Small business : 4 � Medium business : 4 64
Average wage / hour : $ 47 ( see Table 28 )
Time period : annualised from the year following the prohibition taking effect
62
Model assumption based on consultation feedback
63
Model assumption based on consultation feedback
64
Model Assumption based on consultation feedback
DECISION REGULATION IMPACT STATEMENT Prohibition on the use of engineered stone Page 96 of 107