求翻译：农畜产物进口关税配额于申请年度的下一年1月1日至当年12月31日有效。凭合同先来先领，分配方式下的农畜产物进口关税配额证明有效期根据公布的实施细则有所不同。是什么意思？

Livestock product import tariff quota for the year to apply from 1 January next year to year effective December 31. First-come first with the contract, allocation of livestock products under import tariff quota period based on published evidence of the implementation details are different.

livestock product of the year of application import tariffs and quotas on 1 January of the following year on 31 December to the Year effective. Contract for a first-come first-served basis, the pattern of distribution of import tariffs and quotas that livestock product is valid according to the rule

The livestock product import customs duty quota December 31 was effective in the application year next year from January 1 to the same year.No matter what the contract comes to lead first first, under the assignment way livestock product import customs duty quota proved the term of validity differs

Farm animal products imported under the tariff quotas in the application of the year of January 1, 1 to December 31 of the year is valid. With contract-first seek, and distribution of farm animal products imported under tariff quotas proved valid in accordance with published rules for the implementa

Livestock product import tariff quota for the year to apply from 1 January next year to year effective December 31. First-come first with the contract, allocation of livestock products under import tariff quota period based on published evidence of the implementation details are different.