diff --git a/Document.js b/Document.js
index 35347d7..62c5a1b 100644
--- a/Document.js
+++ b/Document.js
@@ -72,7 +72,7 @@ Document.prototype.removePostProcessingScript = function( fn ){
 
 // call all post-processing scripts
 Document.prototype.callPostProcessingScripts = function(){
-  this._post.forEach(function(fn){ fn.call(this); }, this);
+  this._post.forEach(function(fn){ fn.call(null, this); }, this);
   return this;
 };
 
diff --git a/post/intersections.js b/post/intersections.js
index 10bf1c5..6faaff6 100644
--- a/post/intersections.js
+++ b/post/intersections.js
@@ -4,32 +4,32 @@ const INTERSECTION_LAYER_NAME = 'intersection';
 const ADDRESS_STREET_PROP = 'street';
 const ADDRESS_CROSS_STREET_PROP = 'cross_street';
 
-function intersections(){
+function intersections( doc ){
 
   // only apply to docs from the intersection layer
-  if( this.getLayer() !== INTERSECTION_LAYER_NAME ){ return; }
+  if( doc.getLayer() !== INTERSECTION_LAYER_NAME ){ return; }
 
   // ensure both street & cross street props are set
-  let street = this.getAddress(ADDRESS_STREET_PROP);
+  let street = doc.getAddress(ADDRESS_STREET_PROP);
   if( !_.isString(street) || _.isEmpty(street) ){ return; }
   
-  let cross_street = this.getAddress(ADDRESS_CROSS_STREET_PROP);
+  let cross_street = doc.getAddress(ADDRESS_CROSS_STREET_PROP);
   if( !_.isString(cross_street) || _.isEmpty(cross_street) ){ return; }
 
   // generate name aliases for the intersection based on common syntactic variations.
   // note: currently only english is supported, PRs for additional languages welcome.
 
   // corner of A & B
-  this.setNameAlias('default', `${street} & ${cross_street}`);
-  this.setNameAlias('default', `${street} @ ${cross_street}`);
-  this.setNameAlias('default', `${street} at ${cross_street}`);
-  this.setNameAlias('default', `Corner of ${street} & ${cross_street}`);
+  doc.setNameAlias('default', `${street} & ${cross_street}`);
+  doc.setNameAlias('default', `${street} @ ${cross_street}`);
+  doc.setNameAlias('default', `${street} at ${cross_street}`);
+  doc.setNameAlias('default', `Corner of ${street} & ${cross_street}`);
   
   // corner of B & A
-  this.setNameAlias('default', `${cross_street} & ${street}`);
-  this.setNameAlias('default', `${cross_street} @ ${street}`);
-  this.setNameAlias('default', `${cross_street} at ${street}`);
-  this.setNameAlias('default', `Corner of ${cross_street} & ${street}`);
+  doc.setNameAlias('default', `${cross_street} & ${street}`);
+  doc.setNameAlias('default', `${cross_street} @ ${street}`);
+  doc.setNameAlias('default', `${cross_street} at ${street}`);
+  doc.setNameAlias('default', `Corner of ${cross_street} & ${street}`);
 }
 
 module.exports = intersections;
\ No newline at end of file
diff --git a/test/document/post.js b/test/document/post.js
new file mode 100644
index 0000000..6fc8263
--- /dev/null
+++ b/test/document/post.js
@@ -0,0 +1,95 @@
+
+const Document = require('../../Document');
+const intersections = require('../../post/intersections');
+const DEFAULT_SCRIPTS = [ intersections ];
+
+module.exports.tests = {};
+
+module.exports.tests.addPostProcessingScript = function(test) {
+  test('default scripts', function(t) {
+    let doc = new Document('mysource','mylayer','myid');
+    t.deepEqual(doc._post, DEFAULT_SCRIPTS, 'default processing scripts');
+    t.end();
+  });
+  test('invalid type', function(t) {
+    let doc = new Document('mysource','mylayer','myid');
+    t.throws( doc.addPostProcessingScript.bind(doc, 'invalid'), /invalid document type, expecting: function got/ );
+    t.throws( doc.addPostProcessingScript.bind(doc, 100), /invalid document type, expecting: function got/ );
+    t.throws( doc.addPostProcessingScript.bind(doc, []), /invalid document type, expecting: function got/ );
+    t.throws( doc.addPostProcessingScript.bind(doc, {}), /invalid document type, expecting: function got/ );
+    t.end();
+  });
+  test('set function', function(t) {
+    let script = function(){};
+    let doc = new Document('mysource','mylayer','myid');
+    doc.addPostProcessingScript( script );
+    t.deepEqual(doc._post, DEFAULT_SCRIPTS.concat( script ), 'default processing scripts');
+    t.end();
+  });
+  test('set same function twice (allowed)', function(t) {
+    let script = function(){};
+    let doc = new Document('mysource','mylayer','myid');
+    doc.addPostProcessingScript( script );
+    doc.addPostProcessingScript( script );
+    t.deepEqual(doc._post, DEFAULT_SCRIPTS.concat( script, script ), 'default processing scripts');
+    t.end();
+  });
+};
+
+module.exports.tests.removePostProcessingScript = function(test) {
+  test('invalid type', function(t) {
+    let doc = new Document('mysource','mylayer','myid');
+    t.throws( doc.removePostProcessingScript.bind(doc, 'invalid'), /invalid document type, expecting: function got/ );
+    t.throws( doc.removePostProcessingScript.bind(doc, 100), /invalid document type, expecting: function got/ );
+    t.throws( doc.removePostProcessingScript.bind(doc, []), /invalid document type, expecting: function got/ );
+    t.throws( doc.removePostProcessingScript.bind(doc, {}), /invalid document type, expecting: function got/ );
+    t.end();
+  });
+  test('remove function', function(t) {
+    let script = function(){};
+    let doc = new Document('mysource','mylayer','myid');
+    doc._post = [ script ];
+    doc.removePostProcessingScript( script );
+    t.deepEqual(doc._post, [], 'script removed');
+    doc.removePostProcessingScript( script );
+    t.deepEqual(doc._post, [], 'no-op');
+    t.end();
+  });
+  test('remove duplicate functions (allowed)', function(t) {
+    let script = function(){};
+    let doc = new Document('mysource','mylayer','myid');
+    doc._post = [ script, script ];
+    doc.removePostProcessingScript( script );
+    t.deepEqual(doc._post, [], 'scripts removed');
+    doc.removePostProcessingScript( script );
+    t.deepEqual(doc._post, [], 'no-op');
+    t.end();
+  });
+};
+
+module.exports.tests.callPostProcessingScript = function(test) {
+  test('call all scripts', function(t) {
+    let doc = new Document('mysource','mylayer','myid');
+    doc._post = []; // remove any default scripts
+    t.plan(3);
+
+    // document pointer passed as first arg to scripts
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+
+    // call all scripts
+    doc.callPostProcessingScripts();
+  });
+};
+
+module.exports.all = function (tape, common) {
+
+  function test(name, testFunction) {
+    return tape('post processing: ' + name, testFunction);
+  }
+
+  for( let testCase in module.exports.tests ){
+    module.exports.tests[testCase](test, common);
+  }
+};
diff --git a/test/document/toESDocument.js b/test/document/toESDocument.js
index 2b36d20..d851b6f 100644
--- a/test/document/toESDocument.js
+++ b/test/document/toESDocument.js
@@ -217,6 +217,23 @@ module.exports.tests.toESDocumentWithCustomConfig = function(test) {
   });
 };
 
+module.exports.tests.toESDocumentCallsProcessingScripts = function(test) {
+  test('toESDocument must call all post-processing scripts', function(t) {
+    let Document = proxyquire('../../Document', { 'pelias-config': fakeConfig });
+    let doc = new Document('mysource','mylayer','myid');
+    doc._post = []; // remove any default scripts
+    t.plan(3);
+
+    // document pointer passed as first arg to scripts
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+    doc.addPostProcessingScript((ref) => t.equal(doc, ref));
+
+    // toESDocument() should, in tern, call callPostProcessingScripts()
+    doc.toESDocument();
+  });
+};
+
 module.exports.all = function (tape, common) {
   function test(name, testFunction) {
     return tape('Document: ' + name, testFunction);
diff --git a/test/post/intersections.js b/test/post/intersections.js
index 7978b1d..16acc5b 100644
--- a/test/post/intersections.js
+++ b/test/post/intersections.js
@@ -9,21 +9,21 @@ module.exports.tests.functional = function(test) {
     var doc = new Document('mysource','intersection','myid');
     
     // street and cross_street not set
-    intersections.call(doc);
+    intersections(doc);
     t.deepEqual(doc.getNameAliases('default'), [], 'no names set');
 
     // set street
     doc.setAddress('street', 'Example Street');
 
     // street set, cross_street not set
-    intersections.call(doc);
+    intersections(doc);
     t.deepEqual(doc.getNameAliases('default'), [], 'no names set');
 
     // set cross_street
     doc.setAddress('cross_street', 'Cross Street');
 
     // street and cross_street set
-    intersections.call(doc);
+    intersections(doc);
 
     // intersection aliases defined
     t.deepEqual(doc.getNameAliases('default'), [
diff --git a/test/run.js b/test/run.js
index ece606a..ebc3c55 100644
--- a/test/run.js
+++ b/test/run.js
@@ -22,6 +22,7 @@ var tests = [
   require('./document/layer.js'),
   require('./document/source_id.js'),
   require('./document/toESDocument.js'),
+  require('./document/post.js'),
   require('./post/intersections.js'),
   require('./DocumentMapperStream.js'),
   require('./util/transform.js'),