0.:
   Item 0a is the registration action type and is always required.  The
   valid values are N, M, or D.  N registers a new contact, M modifies
   an existing contact, and D deletes an existing contact.
1.:
   Item 0b is the type of authenticatin scheme. The valid values are
   MAIL-FROM, CRYPT-PW, or PGP. It should be left blank during the
   registration of a NEW Contact.
2.:
   Item 0c is the authorization information to be used to authenticate the
   guardian updating an existing contact. It is required if item 0b is CRYPT-PW.
3.:
   Item 1a is required for MODIFYs and DELETEs. It should be left blank during
   registration of a new contact.
4.:
   Item 1b is used to identify the Contact as an individual or an 
   organizational role account. The valid values are I (individual) or R (role).
   Item 1b is required.
5.:
   Item 1c is required for NEWs, MODIFYs, and DELETEs. If the Contact is an 
   individual user, the name should be entered as:
      LASTNAME, FIRSTNAME MIDDLENAME
   Item 1c is required for all contacts.
6.:
   Items 1e-1i are the postal address of the contact. Item 1e (Street Address)
   is always required. Items 1f-1h (City, State, and Postal Code) are required
   for only the US addresses. Item 1i (Country Code) is always required and
   must be an ISO-3166 country code. Item 1i may leave blank for only the US
   address during the registration of a NEW Contact and it is always required
   for MODIFYs or DELETEs even though it is for US address. The ISO-3166 
   country codes list is available at: 
      ftp://rs.internic.net/netinfo/iso3166-countrycodes.
7.:
   Item 1j is the phone number of the contact. It is required for NEW Contact.
8.:
   Item 1l is the e-mailbox of the contact. It is required for NEW Contact. The
   value should be a valid Internet email address with separate the username
   and hostname parts of the mailbox by an "@" symbol.
9.:
   Item 2a and 2b contain the notification information for a Contact. The valid
   values for item 2a can be BEFORE-UPDATE, AFTER-UPDATE, or NOT-CARE. The 
   valid values for item 2b are BEFORE-USE, AFTER-USE, or NOT-CARE.
10.:
   Item 3a to 3c contain the authentication information for a Contact. These
   Items are required only if either the authenticatin information is being
   added to an existing Contact or a new Contact with authentication 
   information is being registered. The valid values of item 3a are MAIL-FROM,
   CRYPT-PW, or PGP. The item 3b is required if item 3a is either CRYPT-PW or
   PGP.
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