The phrase "as forfeit" is correct and usable in written English.
It can be used in contexts where something is being given up or lost as a penalty or consequence.
Example: "If you fail to meet the deadline, your right to participate will be considered as forfeit."
Alternatives: "as lost" or "as surrendered".
The match has been declared as forfeit meaning Legia Warsaw have lost the match 3-0.
You can jump the fence, run the field and pay your pocket money as forfeit.
In negotiating that, lawyers say, Cuba will want to ensure that its own aircraft are not seized in the United States as forfeit for American property confiscated during the revolution.
Dressed in a gray suit and striped tie, Samuels agreed Tuesday to pay about $21,000 in restitution to the New York State Department of Taxation and Finance, and about $15,000 to the New York City Department of Finance, as well as forfeit $15,000 to the district attorney's office.
A nation's young men were being encouraged to see their lives as forfeit to the great national cause; and the overt strategy of the republicans was to draw the British soldiers and the RIC into actions that, by their brutality and loss of innocent life, would paint the British red in bloody infamy and themselves in sacrificial white.
As forfeit for losing the team's weekly quarterback skills competition, Stanton took to the field in a dashing Supergirl outfit.
As well as forfeiting the points from its first two wins in the best of 17 against Emirates Team New Zealand the jury also imposed fines totalling $250,000.
The cross-bill and the answer to it show that Myers brought an action of replevin against Callaghan & Co. to recover as forfeited the copies of the infringing volumes 32 to 38.
By far a fairer solution would be to register every game of the regular season as forfeits, or for that matter, removing the team's results from the competition entirely.
1785, 1799, n. 15, 85 L.Ed.2d 64 (1985), "legislatures can enact substantive rules of law that treat property as forfeited under conditions that the common law would not consider sufficient to indicate abandonment." These rules, however, are only reasonable if they afford sufficient notice to the property owners and a reasonable opportunity to comply.
CNET makes a good point when it brings up the fact that ISPs have usually shied away from doing the RIAA's dirty work, as it could be seen as forfeiting their common carrier status.
