diff --git a/tests/rules/test_new_lines.py b/tests/rules/test_new_lines.py
index 80334ead..0dce3c4b 100644
--- a/tests/rules/test_new_lines.py
+++ b/tests/rules/test_new_lines.py
@@ -31,7 +31,7 @@ def test_disabled(self):
         self.check('---\ntext\n', conf)
         self.check('---\r\ntext\r\n', conf)
 
-    def test_unix_type(self):
+    def test_unix_type_first_occurence(self):
         conf = ('new-line-at-end-of-file: disable\n'
                 'new-lines: {type: unix}\n')
         self.check('', conf)
@@ -41,6 +41,17 @@ def test_unix_type(self):
         self.check('---\ntext\n', conf)
         self.check('---\r\ntext\r\n', conf, problem=(1, 4))
 
+    def test_unix_type_all_occurences(self):
+        conf = ('new-line-at-end-of-file: disable\n'
+                'new-lines: {type: unix,'
+                ' disable_after_first_occurence: False}\n')
+        self.check('', conf)
+        self.check('\r', conf)
+        self.check('\n', conf)
+        self.check('\r\n', conf, problem=(1, 1))
+        self.check('---\ntext\n', conf)
+        self.check('---\r\ntext\r\n', conf, problem1=(1, 4), problem2=(2, 5))
+
     def test_unix_type_required_st_sp(self):
         # If we find a CRLF when looking for Unix newlines, yamllint
         # should always raise, regardless of logic with
@@ -58,7 +69,7 @@ def test_dos_type(self):
         self.check('\r', conf)
         self.check('\n', conf, problem=(1, 1))
         self.check('\r\n', conf)
-        self.check('---\ntext\n', conf, problem=(1, 4))
+        self.check('---\ntext\n', conf, problem1=(1, 4))
         self.check('---\r\ntext\r\n', conf)
 
     def test_platform_type(self):
@@ -72,14 +83,10 @@ def test_platform_type(self):
             self.check('\n', conf)
             self.check('\r\n', conf, problem=(1, 1))
             self.check('---\ntext\n', conf)
-            self.check('---\r\ntext\r\n', conf, problem=(1, 4))
+            self.check('---\r\n#\r\n', conf, problem=(1, 4))
             self.check('---\r\ntext\n', conf, problem=(1, 4))
-            # FIXME: the following tests currently don't work
-            # because only the first line is checked for line-endings
-            # see: issue #475
-            # ---
-            # self.check('---\ntext\r\nfoo\n', conf, problem=(2, 4))
-            # self.check('---\ntext\r\n', conf, problem=(2, 4))
+            self.check('---\ntext\r\nfoo\n', conf, problem=(2, 5))
+            self.check('---\ntext\r\n', conf, problem=(2, 5))
 
         # mock the Windows new-line-character
         with mock.patch('yamllint.rules.new_lines.linesep', '\r\n'):
@@ -88,9 +95,5 @@ def test_platform_type(self):
             self.check('---\r\ntext\r\n', conf)
             self.check('---\ntext\n', conf, problem=(1, 4))
             self.check('---\ntext\r\n', conf, problem=(1, 4))
-            # FIXME: the following tests currently don't work
-            # because only the first line is checked for line-endings
-            # see: issue #475
-            # ---
-            # self.check('---\r\ntext\nfoo\r\n', conf, problem=(2, 4))
-            # self.check('---\r\ntext\n', conf, problem=(2, 4))
+            self.check('---\r\ntext\nfoo\r\n', conf, problem=(2, 5))
+            self.check('---\r\ntext\n', conf, problem=(2, 5))
diff --git a/yamllint/linter.py b/yamllint/linter.py
index a2faa061..4ea4e454 100644
--- a/yamllint/linter.py
+++ b/yamllint/linter.py
@@ -104,6 +104,10 @@ def process_comment(self, comment):
                     for id in rules:
                         self.rules.discard(id)
 
+        def disable_by_force(self, rule):
+            if rule in self.all_rules:
+                self.rules.add(rule)
+
         def is_disabled_by_directive(self, problem):
             return problem.rule in self.rules
 
@@ -166,6 +170,9 @@ def process_comment(self, comment):
             for problem in cache:
                 if not (disabled_for_line.is_disabled_by_directive(problem) or
                         disabled.is_disabled_by_directive(problem)):
+                    rule_conf = conf.rules[problem.rule]
+                    if rule_conf.get('disable_after_first_occurence', False):
+                        disabled.disable_by_force(problem.rule)
                     yield problem
 
             disabled_for_line = disabled_for_next_line
diff --git a/yamllint/rules/new_lines.py b/yamllint/rules/new_lines.py
index 2ee5512a..7db3158f 100644
--- a/yamllint/rules/new_lines.py
+++ b/yamllint/rules/new_lines.py
@@ -39,8 +39,9 @@
 
 ID = 'new-lines'
 TYPE = 'line'
-CONF = {'type': ('unix', 'dos', 'platform')}
-DEFAULT = {'type': 'unix'}
+CONF = {'type': ('unix', 'dos', 'platform'),
+        'disable_after_first_occurence': (True, False)}
+DEFAULT = {'type': 'unix', 'disable_after_first_occurence': True}
 
 
 def check(conf, line):
@@ -51,8 +52,8 @@ def check(conf, line):
     elif conf['type'] == 'dos':
         newline_char = '\r\n'
 
-    if line.start == 0 and len(line.buffer) > line.end:
+    if len(line.buffer) > line.end:
         if line.buffer[line.end:line.end + len(newline_char)] != newline_char:
             c = repr(newline_char).strip('\'')
-            yield LintProblem(1, line.end - line.start + 1,
+            yield LintProblem(line.line_no, line.end - line.start + 1,
                               f'wrong new line character: expected {c}')