<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <Table> <Tr> <Th> Competition law </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Th> Basic concepts </Th> </Tr> <Tr> <Td> <Ul> <Li> History of competition law </Li> <Li> Monopoly <Ul> <Li> Coercive monopoly </Li> <Li> Natural monopoly </Li> </Ul> </Li> <Li> Barriers to entry </Li> <Li> Herfindahl--Hirschman Index </Li> <Li> Market concentration </Li> <Li> Market power </Li> <Li> SSNIP test </Li> <Li> Relevant market </Li> <Li> Merger control </Li> </Ul> </Td> </Tr> <Tr> <Th> Anti-competitive practices </Th> </Tr> <Tr> <Td> <Ul> <Li> Monopolization </Li> <Li> Collusion <Ul> <Li> Formation of cartels </Li> <Li> Price fixing </Li> <Li> Bid rigging </Li> </Ul> </Li> <Li> Product bundling and tying </Li> <Li> Refusal to deal <Ul> <Li> Group boycott </Li> <Li> Essential facilities </Li> </Ul> </Li> <Li> Exclusive dealing </Li> <Li> Dividing territories </Li> <Li> Conscious parallelism </Li> <Li> Predatory pricing </Li> <Li> Misuse of patents and copyrights </Li> </Ul> </Td> </Tr> <Tr> <Th> Enforcement authorities and organizations </Th> </Tr> <Tr> <Td> <Ul> <Li> International Competition Network </Li> <Li> List of competition regulators </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Competition law </Th> </Tr> <Tr> <Th> Basic concepts </Th> </Tr>

What law specifically prohibits licenses from practicing law