Final decisionBack to top On 25 January 2023 the AER published its final Trial Projects Guidelines and Explanatory Statement. Documents (2) Author AER - Final Trial Projects Guidelines - Regulatory Sandboxing - January 2023 ( PDF 349.74 KB ) AER AER - Final Trial Projects Guidelines - Regulatory Sandboxing - Explanatory Statement - January 2023 ( PDF 401.69 KB ) AER