Steps to export a policy:

1.    Logon to the Symantec Endpoint Protection Manager console.
2.    In the left hand pane, click Policies.
3.    On the Policies page, under View Policies, click the <type of policy> that you want to export. (e.g. LiveUpdate)
4.    On the <type of policy> Policies page in the right hand pane, click the policy that you want to export. (e.g. LiveUpdate Settings policy)
5.    On the same page, under Tasks, click Export the Policy.
6.    In the Export Policy dialog box, locate the folder where you want to export the policy file to, and then click the Export button.

Steps to import policy:

1.    Logon to the Symantec Endpoint Protection Manager console.
2.    In the left hand pane, click Policies.
3.    On the Policies page, under View Policies, click the <type of policy> that you want to import (e.g. LiveUpdate).
4.    On the same page, under Tasks, click Import a <type of policy> Policy.
5.    In the Import Policy dialog box, browse to the policy file that you want to import (policy files are .dat  format), and then click the Import button.

Once this is done rename the file to have a .zip instead of .dat. Open the  .xml file within the zip file and then you can do the needful

I do have a run book which i can send to you, a word document with various tabs colums explaining each settings, all you can do it to fill it with your settings , PM you email address will send the format if it suits your needs well and fine :) 

https://www-secure.symantec.com/connect/forums/sep-policies-documentation#comment-3340731