I received 2 copies of SS Apps today, and one printout on a family member. It is on this document where I have questions. What do/does the following acronyms mean? ETC: L RFN: (long number) NAA: (full name listed) INTERNAL CLD: (date listed) DOA: (address listed) CYD: (date) within a month or so of the death date Thanks for any information that you can give me! Desiree