private static IContactInfo BuildContactInfo(IContactAccount contactAccount, short year, short month)
        {
            NullGuard.NotNull(contactAccount, nameof(contactAccount));

            IContactInfo contactInfo = new ContactInfo(contactAccount, year, month);

            contactInfo.AddAuditInformation(contactAccount.CreatedDateTime.ToUniversalTime(), contactAccount.CreatedByIdentifier, contactAccount.ModifiedDateTime.ToUniversalTime(), contactAccount.ModifiedByIdentifier);
            return(contactInfo);
        }