    COLLECTION_POINT_LABEL varchar(255),
    STUDY_CALENDAR_EVENT_POINT double precision,
    COLLECTION_PROTOCOL_ID numeric(20),
-   LABELFORMAT varchar(255) default NULL,
-   unique (COLLECTION_PROTOCOL_ID,COLLECTION_POINT_LABEL)
+   LABELFORMAT varchar(255) default NULL
 );
 
 create table CATISSUE_SPECIMEN_COLL_GROUP (
    IDENTIFIER numeric(20) not null identity,
-   NAME varchar(255) unique, 
-   BARCODE varchar(255) unique, 
+   NAME varchar(255), 
+   BARCODE varchar(255), 
    COMMENTS varchar(2000),
    ENCOUNTER_TIMESTAMP datetime,
    COLLECTION_PROTOCOL_REG_ID numeric(20),

create table CATISSUE_CONTAINER_TYPE (
   IDENTIFIER bigint not null identity,
   CAPACITY_ID bigint,
   NAME varchar(255) unique,
   ONE_DIMENSION_LABEL varchar(255),
   TWO_DIMENSION_LABEL varchar(255),
   COMMENTS varchar(500),

   CONSENT_SIGN_DATE datetime,
   CONSENT_DOC_URL varchar(500),
   CONSENT_WITNESS bigint,
   BARCODE varchar(255),
   DATE_OFFSET integer
);

