Give wallets merged access of all IDs inside.

code/game/objects/items/weapons/storage/wallets.dm

@@ -30,20 +30,34 @@
 	slot_flags = SLOT_ID
 
 	var/obj/item/weapon/card/id/front_id = null
+	var/obj/item/weapon/card/id/net_id = null
 
 
-/obj/item/weapon/storage/wallet/remove_from_storage(obj/item/W, atom/new_location)
+/obj/item/weapon/storage/wallet/New()
+	..()
+	net_id = new /obj/item/weapon/card/id(src)
+
+/obj/item/weapon/storage/wallet/remove_from_storage(obj/item/W as obj, atom/new_location)
 	. = ..(W, new_location)
 	if(.)
 		if(W == front_id)
 			front_id = null
+		if(istype(W, /obj/item/weapon/card/id))
+			refreshID()
 			update_icon()
 
-/obj/item/weapon/storage/wallet/handle_item_insertion(obj/item/W, prevent_warning = 0)
+/obj/item/weapon/storage/wallet/refreshID()
+	net_id.access.Cut()
+	for(var/obj/item/weapon/card/id/I in contents)
+		if(!front_id)
+			front_id = I
+		net_id.access |= I.access // Merge access from any and all cards in wallet
+
+/obj/item/weapon/storage/wallet/handle_item_insertion(obj/item/W as obj, prevent_warning = 0)
 	. = ..(W, prevent_warning)
 	if(.)
-		if(!front_id && istype(W, /obj/item/weapon/card/id))
-			front_id = W
+		if(istype(W, /obj/item/weapon/card/id))
+			refreshID()
 			update_icon()
 
 /obj/item/weapon/storage/wallet/update_icon()
@@ -66,12 +80,12 @@
 
 
 /obj/item/weapon/storage/wallet/GetID()
-	return front_id
+	return front_id // net_id is only a holder for accesses.
 
 /obj/item/weapon/storage/wallet/GetAccess()
-	var/obj/item/I = GetID()
-	if(I)
-		return I.GetAccess()
+	var/list/myaccess = net_id.GetAccess() // favor OOP by not using net_id.access directly.
+	if(myaccess.len) // is there any access to be had this way?
+		return myaccess
 	else
 		return ..()
 
@@ -89,4 +103,4 @@
 		if(item2_type)
 			new item2_type(src)
 		if(item3_type)
-			new item3_type(src)
+			new item3_type(src)