/*SHORT TITLE:  Details re. the Party affiliation of a Member  */

- data file name  - member_party.csv

 member_party_id;

 member_id;

 party_id; 
  (see party.csv)

 start_date;  
   (default is 1970-01-01 ? only other entries are for party changes)

 end_date 
   (default is 2030-01-01 ? other entries are for party changes)