Another limitation of OFT is that it lacks precision in practice. However this has since been halted by the decision in the case OFT v Abbey. This leads to more dependable observations which the OFT does not present. Enforcement of these regulations is also the responsibility of the OFT. The calyx consists of five free sepals, of which one pair is oft strongly reduced. As of April 2011, this was an administrative priority of the OFT. Identifying the optimal decision rule is the primary goal of the OFT. Virgin Atlantic was later granted immunity by both the OFT and DOJ. TacSat-1 is the first experiment in this OFT initiative. Potential competition concerns led to an investigation by the UK Office of Fair Trading (OFT).