** The following is for informational purposes and reflects the current timeline for any changes and/or updates made to the ELSO registry during the calendar year. This also applies to the creation, modification, and/or updating of addenda. This outline has been agreed upon and reflects the work of the ELSO registry Development Steering Committee effective 7/15/2020

December 20 (4.5 months prior to biannual Registry update):

• All technical changes need to be completed so that documentation can be done

January 10

• Deadline to submit data for inclusion in upcoming Registry Freeze

January 15

• Registry Closes
• Registry is frozen for use in data requests and outcome reporter

February 1 (2.5 months prior to Registry update):

• Change Document is finalized including;
  
  • Cover page explaining rationale behind changes and directing user to where the changes can be found in Database Definitions, Instructions Document & Registry Forms
  • Table highlighting changes including a) New fields, b) Altered fields and c) Retired fields
  • Preface that defines what a new tab, new subject category or sub-category data field
• XML Schema and XSD with Updated XML Upload Instructions to be Posted
• Database Definitions, Instructions, and Form updates are completed and posted
• Communication with ECLS community via email directing attention to the updated documentation which will be posted

April 10:

• Deadline to submit data for inclusion in annual reports

April 15:

• Registry Closes
• Finalize any updates to Instructions Documents & Registry Forms
• Go-live of Registry updates
• Go-live of changes to XML files
• Freeze Database
• Generate Once Annual Reports (only through end of last year)

June 1 (4.5 months prior to biannual Registry update):

• All technical changes need to be completed so that documentation can be done

July 10:

• Deadline to submit data for inclusion in upcoming Registry Freeze

July 15:

• Registry Closes
• Registry is frozen for use in data requests and outcome reporter

August 1 (2.5 months prior to Registry update):

• Change Document is finalized including;
  
  • Cover page explaining rationale behind changes and directing user to where the changes can be found in Database Definitions, Instructions Document & Registry Forms
  • Table highlighting changes including a) New fields, b) Altered fields and c) Retired fields
  • Preface that defines what a new tab, new subject category or sub-category data field
• XML Schema and XSD with Updated XML Upload Instructions to be Posted
• Database Definitions, Instructions, and Form updates are completed and posted
• Communication with ECLS community via email directing attention to the updated documentation which will be posted

October 10:

• Deadline to submit data for inclusion in the updated annual reports

October 15:

• Registry Closes
• Finalize any updates to Instructions Documents & Registry Forms
• Go-live of Registry updates
• Go-live of changes to XML files
• Update/Refresh Reports (only through end of last year)