Contributions will be almost 50% tax-deductible, compared with less than 10% now.

与现在少于10%相比起来，以后所有的捐赠将会有差不多50%是可免税的。

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If you contributions are not fully deductible then this account is probably not for you.

如果你的贡献不完全扣除，然后到这个可能不是你。

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All contributions are tax-deductible to the extent allowed by law.

所有捐献，均可申请免税，在法律允许的范围。

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Moreover, Gingrich took an aggressive approach to the tax laws, despite warnings not to use tax-deductible contributions, Cole said.

CNN: Gingrich Faces Reprimand, $300,000 Penalty

In other words, only the part of the distribution that represents non-deductible contributions (your cost basis) is tax-free.

FORBES: Avoiding Too Much Tax On Your Distributions

But a 501c3 charity can take tax-deductible contributions and raise capital by issuing tax-exempt bonds, two advantages 501c4s don't enjoy.

FORBES: Supreme Court Question: What's A Charity?