### Buchungsdaten-Daten
	my $lblBuchungsdaten = $regEigentuemer->new_ttk__label(-text => 'Buchungsdaten',
							       -font =>"TkDefaultFont $schrHoehe normal",
							       -width => 13,
							       -anchor => 'w');
	$lblBuchungsdaten->g_grid(-column => 0,
				  -columnspan => 2,
				  -row => 0,
				  -padx => 2,
				  -pady => 2);
	# Treeview-Steuerelement erzeugen
	my $treeBuch = $regEigentuemer->new_ttk__treeview(-columns => "Gr-Band Gr-Blatt Buchungsart Anteil Bu-Kz",
							  -height => 2,
							  -show => 'headings');
	$treeBuch->g_grid(-column => 0,
			  -row => 1,
			  -padx => 2,
			  -pady => 2,
			  -sticky => 'nwes');
	$treeBuch->tag_configure('ttk',
				 -font =>"Helvetica $schrHoehe normal");
	# Überschriften setzen
	$treeBuch->heading('Gr-Band',
			   -text => 'Gr-Band');
	$treeBuch->heading('Gr-Blatt',
			   -text => 'Gr-Blatt');
	$treeBuch->heading('Buchungsart',
			   -text => 'Buchungsart');
	$treeBuch->heading('Anteil',
			   -text => 'Anteil');
	$treeBuch->heading('Bu-Kz',
			   -text => 'Bu-Kz');
	# Spaltenbreiten und Ausrichtung setzen
	$treeBuch->column("Gr-Band",
			  -width => 85,
			  -anchor => 'w');
	$treeBuch->column("Gr-Blatt",
			  -width => 85,
			  -anchor => 'w');
	$treeBuch->column("Buchungsart",
			  -width => 300,
			  -anchor => 'w');
	$treeBuch->column("Anteil",
			  -width => 85,
			  -anchor => 'w');
	$treeBuch->column("Bu-Kz",
			  -width => 100,
			  -anchor => 'w');
	# Scrollbar
	my $scrollBuch = $regEigentuemer->new_ttk__scrollbar(-command => [$treeBuch, "yview"],
							     -orient => "vertical");
	$scrollBuch->g_grid(-column => 1,
			    -row => 1,
			    -sticky => "ns");
	# Scrollbar an TreeView binden
	$treeBuch->configure(-yscrollcommand => [$scrollBuch, "set"]);