For the 'Betriebsausschuss Abfallwirtschaftsbetrieb der Stadt Köln' committee, find the earliest meeting held between June 1, 2014, and October 31, 2020. Once found, state the exact date of this meeting and confirm if an invitation document ('Einladung') is available for it.
Navigate to the 'Organisation' section. Click on the 'Gremien' (Committees) link. Locate and click on the 'Betriebsausschuss Abfallwirtschaftsbetrieb der Stadt Köln' committee. On the committee's page, identify and click the 'Rechercheauswahl anzeigen' (Show search selection) link. On the 'Recherche Auswahl' page, click the link for 'Recherche Termine' (Search Dates). In the 'Recherche Termine' section, set the 'Termin von' (Date from) field to '2014-06-01'. Set the 'bis' (Date to) field to '2020-10-31'. Click the 'go' button to apply the date filter. Identify the earliest meeting date displayed in the search results. Click on the 'Details anzeigen' (Show details) link for this earliest meeting. On the meeting details page, confirm if an 'Einladung' (Invitation) document is available.
Successfully navigate to the search page for committee meeting dates. Correctly apply the date range filter from '2014-06-01' to '2020-10-31'. Identify the earliest meeting date within the specified range as September 9, 2014. Confirm that an 'Einladung' (Invitation) document is available for the meeting on September 9, 2014. State the exact date of the earliest meeting found. State whether an 'Einladung' document is available for that earliest meeting.