diff --git a/tailbone/templates/batch/view.mako b/tailbone/templates/batch/view.mako
index a7da6e54..a1de0863 100644
--- a/tailbone/templates/batch/view.mako
+++ b/tailbone/templates/batch/view.mako
@@ -57,7 +57,7 @@
 </%def>
 
 <%def name="leading_buttons()">
-  % if master.has_worksheet and not batch.executed and request.has_perm('{}.worksheet'.format(permission_prefix)):
+  % if master.has_worksheet and master.allow_worksheet(batch) and request.has_perm('{}.worksheet'.format(permission_prefix)):
       <button type="button" class="load-worksheet">Edit as Worksheet</button>
   % endif
 </%def>
diff --git a/tailbone/views/batch/core.py b/tailbone/views/batch/core.py
index 24811611..2213163f 100644
--- a/tailbone/views/batch/core.py
+++ b/tailbone/views/batch/core.py
@@ -113,6 +113,9 @@ class BatchMasterView(MasterView):
             kwargs['rendered_execution_options'] = self.render_execution_options(batch)
         return kwargs
 
+    def allow_worksheet(self, batch):
+        return not batch.executed and not batch.complete
+
     def template_kwargs_index(self, **kwargs):
         kwargs['execute_enabled'] = self.instance_executable(None)
         if kwargs['execute_enabled'] and self.has_execution_options:
@@ -161,7 +164,8 @@ class BatchMasterView(MasterView):
         fs.cognized_by.set(label="Cognized by", renderer=forms.renderers.UserFieldRenderer)
         fs.rowcount.set(label="Row Count", readonly=True)
         fs.status_code.set(label="Status", renderer=StatusRenderer(self.model_class.STATUS))
-        fs.executed_by.set(label="Executed by", renderer=forms.renderers.UserFieldRenderer)
+        fs.executed.set(readonly=True)
+        fs.executed_by.set(label="Executed by", renderer=forms.renderers.UserFieldRenderer, readonly=True)
         fs.notes.set(renderer=fa.TextAreaFieldRenderer, size=(80, 10))
 
         if self.creating and self.request.user:
@@ -310,7 +314,7 @@ class BatchMasterView(MasterView):
         """
         self.editing = True
         batch = self.get_instance()
-        if batch.executed:
+        if not self.editable_instance(batch):
             return self.redirect(self.get_action_url('view', batch))
 
         if self.edit_with_rows:
@@ -685,20 +689,12 @@ class BatchMasterView(MasterView):
         batch = row.batch
         return self.rows_editable and not batch.executed and not batch.complete
 
-    def row_edit_action_url(self, row, i):
-        if self.row_editable(row):
-            return self.get_row_action_url('edit', row)
-
     def row_deletable(self, row):
         """
         Batch rows are deletable only until batch has been executed.
         """
         return self.rows_deletable and not row.batch.executed
 
-    def row_delete_action_url(self, row, i):
-        if self.row_deletable(row):
-            return self.get_row_action_url('delete', row)
-
     def _preconfigure_row_fieldset(self, fs):
         fs.sequence.set(readonly=True)
         fs.status_code.set(renderer=StatusRenderer(self.model_row_class.STATUS),
diff --git a/tailbone/views/inventory.py b/tailbone/views/inventory.py
index dff7f435..03ef10ba 100644
--- a/tailbone/views/inventory.py
+++ b/tailbone/views/inventory.py
@@ -98,6 +98,15 @@ class InventoryBatchView(BatchMasterView):
             batch.created_by,
             localtime(self.request.rattail_config, batch.created, from_utc=True).strftime('%Y-%m-%d'))
 
+    def editable_instance(self, batch):
+        return True
+
+    def mutable_batch(self, batch):
+        return not batch.executed and not batch.complete and batch.mode != self.enum.INVENTORY_MODE_ZERO_ALL
+
+    def allow_worksheet(self, batch):
+        return self.mutable_batch(batch)
+
     def _preconfigure_fieldset(self, fs):
         super(InventoryBatchView, self)._preconfigure_fieldset(fs)
         fs.mode.set(renderer=forms.renderers.EnumFieldRenderer(self.enum.INVENTORY_MODE),
@@ -124,6 +133,12 @@ class InventoryBatchView(BatchMasterView):
         if not self.creating:
             fs.mode.set(readonly=True)
 
+    def row_editable(self, row):
+        return self.mutable_batch(row.batch)
+
+    def row_deletable(self, row):
+        return self.mutable_batch(row.batch)
+
     def save_edit_row_form(self, form):
         row = form.fieldset.model
         batch = row.batch
diff --git a/tailbone/views/master.py b/tailbone/views/master.py
index 7d2c943a..2aea4523 100644
--- a/tailbone/views/master.py
+++ b/tailbone/views/master.py
@@ -634,11 +634,29 @@ class MasterView(View):
         """
         return "{}.rows".format(cls.get_permission_prefix())
 
+    def row_editable(self, row):
+        """
+        Returns boolean indicating whether or not the given row can be
+        considered "editable".  Returns ``True`` by default; override as
+        necessary.
+        """
+        return True
+
     def row_edit_action_url(self, row, i):
-        return self.get_row_action_url('edit', row)
+        if self.row_editable(row):
+            return self.get_row_action_url('edit', row)
+
+    def row_deletable(self, row):
+        """
+        Returns boolean indicating whether or not the given row can be
+        considered "deletable".  Returns ``True`` by default; override as
+        necessary.
+        """
+        return True
 
     def row_delete_action_url(self, row, i):
-        return self.get_row_action_url('delete', row)
+        if self.row_deletable(row):
+            return self.get_row_action_url('delete', row)
 
     def row_grid_row_attrs(self, row, i):
         return {}