您好，根據(jù)《財(cái)政部、國(guó)家稅務(wù)總局關(guān)于增值稅若干政策的通知》（財(cái)稅〔2005〕165號(hào)）第四條的規(guī)定，納稅人兼營(yíng)免稅項(xiàng)目或非應(yīng)稅項(xiàng)目（不包括固定資產(chǎn)在建工程）無(wú)法準(zhǔn)確劃分不得抵扣的進(jìn)項(xiàng)稅額部分，按下列公式計(jì)算不得抵扣的進(jìn)項(xiàng)稅額：不得抵扣的進(jìn)項(xiàng)稅額=（當(dāng)月全部進(jìn)項(xiàng)稅額－當(dāng)月可準(zhǔn)確劃分用于應(yīng)稅項(xiàng)目、免稅項(xiàng)目及非應(yīng)稅項(xiàng)目的進(jìn)項(xiàng)稅額）×（當(dāng)月免稅項(xiàng)目銷售額、非應(yīng)稅項(xiàng)目營(yíng)業(yè)額合計(jì)÷當(dāng)月全部銷售額、營(yíng)業(yè)額合計(jì)） 當(dāng)月可準(zhǔn)確劃分用于免稅項(xiàng)目和非應(yīng)稅項(xiàng)目的進(jìn)項(xiàng)稅額。