Sorry, I only know that this is an insurance type that pays indemnification only if the damages/losses from non-collectable claims reached a certain (usually high) level. This means that the insurer runs a relatively small risk and you run the risk of everything below that level, but at least, you are insured against the worst. I have no idea how to express this in either US or UK English, though.

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Note added at 2003-02-23 08:33:50 (GMT)
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my best guess: integral franchise (a synonym for Forderungsfranchise is Integralfranchise).


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Note added at 2003-02-26 07:07:29 (GMT) Post-grading
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Many thanks, but I am worried about your pick: it does not seem to make sense to me! It is an insurance against bad deb, all right and there is a threshold involved, but I am practically sure that the correct translation would be \"intagral franchise\":
Franchise

Hierbei handelt es sich um eine durch Bagatellklausel abgesicherte Vereinbarung über Haftungseintritt der Versicherung erst beim Überschreiten einer bestimmten Schadenshöhe. (Erhöhung der Selbstbeteiligung des Versicherungsnehmers). Kleinere Schäden sollen wegen eines unangemessenen Verwaltungsaufwandes von der Regulierung ausgeschlossen werden.

Formen der Franchise sind die Abzugsfranchise (Entschädigungsfranchise) und die Integralfranchise (Forderungsfranchise).\"

Source:
http://www.atevis.com/r2/info/glossar/Lexikon_e_f.htm

See also:
http://www.aaaa.at/produkte/abc.htm
http://www.wkstmk.at/service/pep-module/vw/vw_abc_collection...

There might be a better way of putting it into English, because I only had 16 hits on Google of which 2 or 3 were non-English speaking countries!