In the case of signature made by the agent the written certificate of authorization must be provided.

委托代表人签署的，应出具由申请人签署的有效委托书。

when the registration is applied for through the delegation of a software manufacturer, the certificate of authorization shall be provided at the same time.

受软件产品生产单位委托进行登记的，还应同时提交软件产品生产单位出具的授权委托书。

Anyone may apply to the secretary of state to furnish a certificate of existence for a domestic corporation or a certificate of authorization for a foreign corporation.

本州公司可以申请州务卿提供一份公司存在的证明书，外州公司可以申请州务卿提供一份在本州的授权经营证书。

The core of this model is the recommendation-based trust model, organized as a trust delegation Tree (TDT), and the authorization delegation realized by delegation certificate chains.

这个模型的核心是基于推荐的信任模型，被组织成信任授权树(TDT)，并以证书链的形式进行授权。

SPKI is a sort of distributed authorization mechanism, which combines authorization certificate and name certificate to realize identity validation and authorization management.

SPKI是一种分布式的授权机制，采用授权证书和名字证书结合的方式来实现身份认证和权限控制。

To do that the agent must obtain beforehand a certificate from the unit that delegates the authority and sign the contract in the unit's name and within the limits of authorization.

代理人必须事前取得责任代理的授权，在授权范围内以责任代理的名义签署合同。

Attestation technology is the key to security system of e-business. Attestation technology includes attest right authorization institute, SET model, digit certificate, etc.

电子商务安全系统的关键是认证技术。认证技术包括认证授权机构、SET模式、数字证书等。