Index: src/settings.cpp
===================================================================
--- src/settings.cpp	(revision 10290)
+++ src/settings.cpp	(working copy)
@@ -1420,6 +1420,7 @@
 	SDT_BOOL(Patches, multiple_industry_per_town, 0, 0, false,            STR_CONFIG_PATCHES_MULTIPINDTOWN,    NULL),
 	SDT_BOOL(Patches, same_industry_close,        0, 0, false,            STR_CONFIG_PATCHES_SAMEINDCLOSE,     NULL),
 	SDT_BOOL(Patches, bribe,                      0, 0,  true,            STR_CONFIG_PATCHES_BRIBE,            NULL),
+	SDT_BOOL(Patches, forbid_exclusive_rights,    0, 0, false,            STR_CONFIG_PATCHES_FORBID_EXCLUSIVE, NULL),
 	 SDT_VAR(Patches, snow_line_height,SLE_UINT8, 0, 0,     7,  2, 13, 0, STR_CONFIG_PATCHES_SNOWLINE_HEIGHT,  NULL),
 	 SDT_VAR(Patches, colored_news_year,SLE_INT32, 0,NC,  2000, MIN_YEAR, MAX_YEAR, 1, STR_CONFIG_PATCHES_COLORED_NEWS_YEAR,NULL),
 	 SDT_VAR(Patches, starting_year,    SLE_INT32, 0,NC,  1950, MIN_YEAR, MAX_YEAR, 1, STR_CONFIG_PATCHES_STARTING_YEAR,NULL),
Index: src/lang/english.txt
===================================================================
--- src/lang/english.txt	(revision 10290)
+++ src/lang/english.txt	(working copy)
@@ -1044,6 +1044,7 @@
 STR_CONFIG_PATCHES_ROADVEH_QUEUE                                :{LTBLUE}Road vehicle queueing (with quantum effects): {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_AUTOSCROLL                                   :{LTBLUE}Pan window when mouse is at the edge: {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_BRIBE                                        :{LTBLUE}Allow bribing of the local authority: {ORANGE}{STRING1}
+STR_CONFIG_PATCHES_FORBID_EXCLUSIVE                             :{LTBLUE}Disallow buying exclusive transport rights: {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_NONUNIFORM_STATIONS                          :{LTBLUE}Nonuniform stations: {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_NEW_PATHFINDING_ALL                          :{LTBLUE}New global pathfinding (NPF, overrides NTP): {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_FREIGHT_TRAINS                               :{LTBLUE}Weight multiplier for freight to simulate heavy trains: {ORANGE}{STRING}
Index: src/lang/czech.txt
===================================================================
--- src/lang/czech.txt	(revision 10290)
+++ src/lang/czech.txt	(working copy)
@@ -1102,6 +1102,7 @@
 STR_CONFIG_PATCHES_ROADVEH_QUEUE                                :{LTBLUE}Silniční vozidla stojí fronty (s kvantovým efektem): {ORANGE}{STRING}
 STR_CONFIG_PATCHES_AUTOSCROLL                                   :{LTBLUE}Posouvat okno, když je kurzor na okraji: {ORANGE}{STRING}
 STR_CONFIG_PATCHES_BRIBE                                        :{LTBLUE}Povolit úplatek místní správě: {ORANGE}{STRING}
+STR_CONFIG_PATCHES_FORBID_EXCLUSIVE                             :{LTBLUE}Zakázat kupování výhradních práv k přepravě: {ORANGE}{STRING1}
 STR_CONFIG_PATCHES_NONUNIFORM_STATIONS                          :{LTBLUE}Nejednolité stanice: {ORANGE}{STRING}
 STR_CONFIG_PATCHES_NEW_PATHFINDING_ALL                          :{LTBLUE}Nový globální algoritmus hledání cesty (NPF, nahradí NTP): {ORANGE}{STRING}
 STR_CONFIG_PATCHES_FREIGHT_TRAINS                               :{LTBLUE}Pro simulaci těžkých vlaků vynásobit hmotnost nákladu: {ORANGE}{STRING}x
Index: src/settings_gui.cpp
===================================================================
--- src/settings_gui.cpp	(revision 10290)
+++ src/settings_gui.cpp	(working copy)
@@ -689,6 +689,7 @@
 	"multiple_industry_per_town",
 	"same_industry_close",
 	"bribe",
+	"forbid_exclusive_rights",
 	"colored_news_year",
 	"ending_year",
 	"smooth_economy",
Index: src/town_gui.cpp
===================================================================
--- src/town_gui.cpp	(revision 10290)
+++ src/town_gui.cpp	(working copy)
@@ -71,11 +71,17 @@
 		}
 
 		/* Disable build statue if already built */
-		if (HASBIT(t->statues, pid)) {
+		if (HASBIT(t->statues, pid) && HASBIT(buttons, 4)) {
 			CLRBIT(buttons, 4);
 			num--;
 		}
 
+		/* Exclusive right are forbidden? */
+		if (_patches.forbid_exclusive_rights && HASBIT(buttons, 6)) {
+			CLRBIT(buttons, 6); // Disallow exclusive rights
+			num--;
+		}
+
 	}
 
 	if (nump != NULL) *nump = num;
Index: src/variables.h
===================================================================
--- src/variables.h	(revision 10290)
+++ src/variables.h	(working copy)
@@ -239,6 +239,8 @@
 
 	bool timetabling;        ///< Whether to allow timetabling.
 	bool timetable_in_ticks; ///< Whether to show the timetable in ticks rather than days.
+
+	bool forbid_exclusive_rights;       // forbid buying exclusive rights
 };
 
 VARDEF Patches _patches;