Mystery Sign(5) What exactly does this sign say? Now solved!
Okay, I'll try again (sound of gnashing teeth!)
Here is Mystery Sign number 5. - This is a sign I have encountered from my everyday life - fill in the gaps word-for-word with exact spellings as displayed on my "Mystery Sign".
If after you've posted you realise that you've made a spelling error or changed your mind about a word, re-post the whole answer, don't edit your original post.

8 Answers
Everyone else has this, but I'd use the other spelling of authorize with an S.
No standing, authorised disabled vehicles excepted.
Yay - finally! Okay guys, so here's the text and a picture clue to help you along your way!
-o
s------g
---hor----
-i---led
-----les
--ce--ed
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I could only figure out the words ,disabled and vehicles. The word No before standing.I'll be checking back .This is hard. I just got authorized. O.k. Is this it.?No standing authorized or disabled vehicles accepted.
My guess:
"no stopping"
followed by either: " authorized [or] disabled vehicles"
or (less likely): "for horses [,] disabled vehicles"
and the last word is:
"excepted" 
I'm not sure, but I'll have a try.
No standing
Authorized disabled vehicles accepted
No Standing Authorized Disabled Vehicles Accepted
Buen trabajo fontanero...
Many people were "so" close...
And just another point for "next time" - generally speaking, here in Australia, we tend to follow the British (or should I say Oxford Dictionary) way of spelling.....
And "in a nutshell" for non-native (English) speakers, the sign means you can't park or leave your car, or whatever vehicle, at this particular place. The "exception" to this rule would be if your vehicle has a "disabled occupant" sticker (in other words an authority) which would be displayed on the windscreen.
