<Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2010) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2010) (Learn how and when to remove this template message) </Td> </Tr> <P> The presence or lack of entrenchment is a fundamental feature of constitutions . An entrenched constitution cannot be altered in any way by a legislature as part of its normal business concerning ordinary statutory laws, but can only be amended by a different and more onerous procedure . There may be a requirement for a special body to be set up, or the proportion of favourable votes of members of existing legislative bodies may be required to be higher to pass a constitutional amendment than for statutes . The entrenched clauses of a constitution can create different degrees of entrenchment, ranging from simply excluding constitutional amendment from the normal business of a legislature, to making certain amendments either more difficult than normal modifications, or forbidden under any circumstances . </P> <P> Entrenchment is an inherent feature in most codified constitutions . A codified constitution will incorporate the rules which must be followed for the constitution itself to be changed . </P>

What is not a purpose of the constitution