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# Common Data Format Research Group: Common Data Format (CDF) Ballot Styles Subgroup

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**Group Information**

**Name:**Common Data Format Research Group: Ballot Styles Subgroup

**Purpose:**This group will develop a Ballot Definition CDF addressing the topic of ballot style interoperability between ballot producing systems and scanners, as well as inform revisions to the Cast Vote Record Common Data Format.

**Objectives:**
                  - Gain an understanding of how current systems capture vote selections, as well as VVSG 2.0 requirements.
                  - Build a logical data model containing the required classes, attributes and other elements for the contest selections use-case.
                  - Create one or more new common data format specifications implementing the logical data model.   
                  - Supporting references:                       - Cast Vote Record Common Data Format
                  - Election Modeling Semantic Model: Ballot Definition

**Logistics:**All meetings will be held using conferencing software, and members will receive information on upcoming meetings and agendas.

**Officers:**
                  - Chair                      - Name:  John Dziurlaj
                    - Email:  john [at] turnout.rocks (john[at]turnout[dot]rocks)

**Email list**
                  - list-name:  cdf-ballot-styles
                  - list-email-address:  cdf-ballot-styles [at] list.nist.gov (cdf-ballot-styles[at]list[dot]nist[dot]gov)
                  - list-url:  https://groups.google.com/a/list.nist.gov/g/cdf-ballot-styles

**Joining or leaving**
                  - To subscribe to this group, send email to  cdf-ballot-styles [at] list.nist.gov (cdf-ballot-styles[at]list[dot]nist[dot]gov) ?subject=subscribe	                     - NOTE: This is equivalent to sending a  blank email  to  cdf-ballot-styles+subscribe [at] list.nist.gov (cdf-ballot-styles+subscribe[at]list[dot]nist[dot]gov)  with subject line "subscribe"
                  - Unsubscribe:  To unsubscribe from this group, send email to  cdf-ballot-styles+unsubscribe [at] list.nist.gov (cdf-ballot-styles+unsubscribe[at]list[dot]nist[dot]gov)
                  - Help:  If you have any problems joining or leaving the list, please send your request to  voting [at] nist.gov (voting[at]nist[dot]gov)
                  - General information regarding the tasks of signing up for Google Group email lists, and related information, may be found at the following  page .

**Group Scope**
                  - This group has been organized for only the above-stated purpose.
                  - This group is  NOT  for the purpose of discussing former VVSG 2.0 requirements.	                     - For all comments or considerations regarding the VVSG 2.0 requirements as approved by the EAC on February 10, 2021, please send those to  vvsg [at] eac.gov (vvsg[at]eac[dot]gov)  .

**Membership Information**
                  - Participation in this group is open to all interested parties. There are no membership fees.
                  - All members must read, agree to, and abide by the  group’s general information and stated rules of etiquette  .

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