as far as vs unless and until

Some examples from the web:

• Instructions shall be given as far as feasible by pictograms.
• Anyway, as far as I'm concerned, I followed the instructions.
• That money, as far as we're both concerned...
• But nothing about an older sister, as far as I remember.
• Nothing stolen as far as we know.
• Nothing stolen as far as we know.
• Just watching, as far as I could tell.
• I just mean as far as my career was concerned.
• Now, as far as anyone knows, this is a fishing vessel.
• Not as far as these guys have heard.
• We've yet to perfect that technology, as far as I know.
• Not as far as I recall anyway.
• Nothing, as far as I recall.
• Like I said, as far as I know the other you is alive.
• Above board as far as I know.
• Nothing, as far as I can see.
• Maybe your dreamland isn't as far as you think.
• I only got as far as the door.
• My orders were to follow as far as Brazil.
• They were traced as far as Clapham.

Some examples from the web:

• The European Union must not allow itself to be blackmailed by Serbia into signing the Association Agreement as a sweetener for the loss of Kosovo, unless and until Ratko Mladić and Radovan Karadžić are delivered to The Hague.
• Today, Europe has an opportunity to respond to extremist forces within our borders in an intelligent, strong, liberal manner, considering our citizens as equal, unless and until any one of them actually takes actions which threaten the security of our society.
• Except as provided by Article 9, this Directive shall not apply in respect of any financial collateral unless and until that financial collateral is actually delivered, transferred, held or designated in accordance with the collateral arrangement.
• Recalls that Turkish accession to the European Union cannot progress unless and until Turkey embraces faithfully and in all respects the Copenhagen political criteria and the Charter of Fundamental Rights;
• Will the Council give a clear commitment that no EU money will be given to the Palestinian Authority unless and until Hamas gives a clear and unequivocal commitment to end the use of violence and renounces its objective of eradicating the State of Israel?
• Events such as this will continue to recur unless and until we establish the "polluter pays" principle in the fullest sense of these words.
• Whatever institutional and other changes take place, there will never be real progress unless and until all Member States act and speak as one.
• The German authorities have taken the necessary measures to block supplies from these producers unless and until they have been checked for the absence of nitrofen.
• The rapporteur proposes that emissions from international maritime transport are covered by this decision unless and until they will be included into ETS or any other Community legal instrument.
• The European Parliament must make it clear that we will not give our assent to any accession unless and until there is fundamental institutional reform.
• In addition, this decision is presumed valid unless and until annulled by the Court of First Instance.
• The future EU policy should be based on the initial assumption that those seeking asylum are in danger and in need of being granted asylum unless and until it is proven otherwise.
• We took this decision while fully complying with the rules set out in the Treaty, which are what they are unless and until they are changed.
• We don't want to pick him up unless and until he makes a move on that woman, so we can arrest him.
• The investee may be designed so that the direction of its activities and its returns are predetermined unless and until those particular circumstances arise or events occur.
• 1. The competent authority shall not grant authorisation unless and until such time as it is fully satisfied that the applicant complies with all requirements under the provisions adopted pursuant to this Directive.
• Humanitarian aid must not be cut, nor should refugees be forced to return against their will, unless and until the necessary conditions have been met.
• This problem will not be solved unless and until we find a proper solution to its financial aspects, without even mentioning the lack of planning.
• The Chinese authorities have to understand that the so-called Central State cannot become a truly modern state unless and until it begins to respect the fundamental principles of democracy and freedom of religion.
• The Council will take no further action in this regard unless and until the UK notifies its intention to move to the third stage.