PDF/X-1a question

Hi.
I have been out of the Pre-Press environment for 5 years now, but when I was last running a pre-peress studio, we did NOT stipulate that we would only accept PDF/x-1a files, as the modern rip was capable of accepting Acrobat 1.6 files, with RGB images, etc.
Is this still the case? I now work for a company, and part of what i do is putting together PDF files, some will be printed on ofset presses. Our client has preflighted the PDF files we produce, and have rejected them as the fail on the PreFlight profile for PDF/X-1a.
Do I need to tell them (politely) that this is an old standard, and modenr RIPS do not require this any more? I do understand that this standard of PDF is the most compatible, but is that now the real world experience?
Any thoughs would be welcome.
Roy

PDF/X-1a:2001 is an 'old' standard but so are most RIPs in commercial print shops (and often they'll still be using Acrobat 6 for the same reason - if it ain't broke, don't fix it!)
There are later versions of PDF/X which support additional features but you certainly don't want to be sending mixed-space documents to a remote printing service unless you know they fully support the version of the standard you're sending - for example despite modern RIPs being able to convert RGB->CMYK they may not always abide by the embedded profiles, so the end results can be dramatically different. Some can't cope with transparency so the later 2003+ versions of PDF/X won't work.
The advantage of PDF/X-1a is that it's so restrictive it can't help but print properly. There are rare occasions where specialist documents may need LAB color or externally-referenced elements, hence why PDF/X-3 and /X-4 were written, but you shouldn't yet be using those versions for general purpose jobs. If in doubt use the lowest possible version of the standard which supports the file content.

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Hi Paul,
thanks for the quick answer. No my next challange is how to do things
1) validation: number & date checks, eg, a number should be higher than 4, or be a valid number/date
<answer> Yes
I think this is done through the object properties
2) If I answer A at question 1, I should skip Question 2 and go directly to Question 3. Is it possible to hide Question 2, depending on what I answered at Question 1?
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This is done with subforms and scripting?
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4) After I submit the form, is it possible to lock the form so that no other changes can be made? In other words, you may only submit once.
<answer> Yes
Also through scripting?
5) Possible to activate the print button after the form has been submitted?
<answer> If you add a print button on the form then the answer is Yes. The application that houses the PDF will jhave print capabilities and that one is much more difficult to hide. You can set it up so that the form cannot be printed then return back the locked version with printing enabled but a round trip to the server is required for that.
Print button will be fine by now, probably also done by scripting
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<answer> Yes but the form will require LiveCycle Reader Extensions if you are using Reader. Reader Extensions is not required if you are Acrobat.
Ahh, perhaps fixed list will be ok for version 1

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