verordnung ber anforderungen an eine nachhaltige herstellung von biokraftstoffen biokraftstoff-nachhaltigkeitsverordnung biokraft-nachv ordinance on requirements pertaining to sustainable production of biofuels 31 pages german . in the past biofuel production has been responsible for considerable environmental damage involving such activities as slash-and-burn clearing of rain forests and such impacts as loss of biodiversity . the notified ordinance is aimed at ensuring that biofuels eligible for tax relief under section 50 of the energy tax act eta or the quota set forth in the federal immission control act fica are always produced in full compliance with binding eu-provisions for ecological sustainability. consequently biofuels that are produced in non-sustainable ways will in future no longer be eligible for the tax relief under section 50 of the eta or the quota set forth in the fica. this will ensure that intensified energy-related use of biomass does not have undesirable impacts on natural systems and climate. as of 1 july 2010 therefore eligibility with regard to biofuels for tax relief under section 50 of the eta or the quota set forth in the fica will be tied to compliance with specific requirements pertaining to sustainable management of agricultural land and to conservation of landscapes worthy of special protection. furthermore biofuels eligible for tax relief under section 50 of the eta or the quota set forth in the fica must show a specified potential in light of the entire relevant value-creation chain for reducing greenhouse-gas emissions. these requirements conform to the standardised european requirements approved by the european union in directive 2009 28 ec g tbt n eec 200 . in addition the ordinance will establish effective private-economic certification and control systems that guarantee compliance with the prescribed provisions throughout all parts of the value-creation chain and that enable all stakeholders to review the quality of their goods clearly and completely at all times.