gistfile1.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Some_Custom>
      <version>1.0.0</version>
      <active>true</active>
      <codePool>local</codePool>
    </Some_Custom>
  </modules>
  <global>
    <models>
            <check>
                <class>Some_Custom_Sales_Model</class>
            </check>
        </models>
        <resources>
            <check_setup>
                <setup>
                    <module>Some_Custom</module>
                </setup>
                <connection>
                    <use>core_setup</use>
                </connection>
            </check_setup>
            <check_write>
                <connection>
                    <use>core_write</use>
                </connection>
            </check_write>
            <check_read>
                <connection>
                    <use>core_read</use>
                </connection>
            </check_read>
        </resources>
        <fieldsets>
            <sales_copy_order_billing_address>
                <my_custom_atribute><to_order>*</to_order></my_custom_atribute>
            </sales_copy_order_billing_address>
            <!--<sales_copy_order_shipping_address>
                <my_custom_atribute><to_order>*</to_order></my_custom_atribute>
            </sales_copy_order_shipping_address>-->
            <sales_convert_quote_address>
                <my_custom_atribute><to_order_address>*</to_order_address><to_customer_address>*</to_customer_address></my_custom_atribute>
            </sales_convert_quote_address>
            <sales_convert_order_address>
                <my_custom_atribute><to_quote_address>*</to_quote_address></my_custom_atribute>
            </sales_convert_order_address>
            <customer_address>
                <my_custom_atribute><to_quote_address>*</to_quote_address></my_custom_atribute>
            </customer_address>
            <checkout_onepage_billing>
                <my_custom_atribute><to_customer>*</to_customer></my_custom_atribute>
            </checkout_onepage_billing>


        </fieldsets>
  </global>
  <admin>
        <fieldsets>
            <customer_dataflow>
                <my_custom_atribute><billing>1</billing><!--<shipping>1</shipping>--></my_custom_atribute>
            </customer_dataflow>
        </fieldsets>
    </admin>
    <default>
        <customer>
            <address_templates>
                <text><![CDATA[{{depend prefix}}{{var prefix}} {{/depend}}{{var firstname}} {{depend middlename}} ........
        </customer>
    </default>
</config>