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last updated:Jun 05, 2026

paperlogic Co., Ltd.
paperlogic Co., Ltd.
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Legal compliance is also assured! Evolved business document management 【paperlogic】

Paperlogic is an electronic contract service fully supervised by certified public accountants. It is one of the few services that allows for the differentiation between "party-type signatures," which use the electronic certificates of the contracting parties as a form of a seal, and "witness-type signatures," which use email addresses as a form of acknowledgment. In addition to the execution of contracts, it also offers the functionality to send documents such as estimates and invoices with signature information and timestamps, as well as the digitization of board meeting minutes. We provide an electronic archive as a storage function. **Features** - Ability to differentiate between party-type signatures and witness-type signatures - Standard timestamp functionality - Compliance with the Electronic Books Preservation Act (acquisition of JIIMA certification for electronic transactions and scanner storage) - Supports the digitization of various documents, not just contracts, including estimates, orders, order confirmations, invoices, and receipts. *For more details, please download the materials or feel free to contact us.*

    Document Management System
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paperlogic

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  • Related Link - https://paperlogic.co.jp/

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**Features: A one-package product with the following functions** ■ Electronic Contract Function This function allows for the differentiation between party-type signatures (equivalent to a registered seal) and witness-type signatures (equivalent to a personal seal), enabling the use of seals in the same way as on paper, depending on the contract amount and importance. ■ Document Sending Function This function allows for the electronic sending of one-sided documents such as estimates and invoices while complying with the Electronic Books Act. ■ Internal Signature Function This function enables the digitization of board meeting minutes and the electronic circulation of documents. ■ Electronic Archive Function This function allows for the long-term storage of outputs from the electronic contract function, document sending function, and internal signature function while meeting various laws and regulations. It also includes a feature to add timestamps to received electronic data, facilitating compliance with the Electronic Books Act for electronic transactions and scanner storage, thus enabling centralized management of both paper and electronic data. ■ Others - Folder function for organizing documents - Invoice registration business number check function - Integration with other services via Web API (additional cost) *For more details, please download the materials or feel free to contact us.*

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Paperlogic Electronic Contract Overview

Paperlogic Electronic Contract Overview

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Is the storage period for electronic contract data okay?

Is the storage period for electronic contract data okay? The fatal pitfalls hidden in the "7 years" setting of the Electronic Bookkeeping Act.

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This time, I will explain the "another preservation deadline" hidden behind the numbers of the Electronic Bookkeeping Act and the "technical lifespan" unique to electronic contracts. ---Content of the article-------------------------------- ■Differences in preservation periods for tax and legal purposes ■Contract cases that require long-term preservation of over 10 years  ●In the construction and building industry  ●In the manufacturing industry  ●In the case of ongoing long-term contracts ■Risks unique to electronic contracts: "Validity period of electronic signatures" ■Long-term preservation solutions (paperlogic) ■Summary: Building a long-term preservation system to protect corporate rights -------------------------------------------------------- The full text of the article can be accessed via the "related links."

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What to do with the electronic contract concluded with the other party's system? A manual on compliance with the Electronic Bookkeeping Act and storage that the "receiving party" should know.

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We will explain the legal obligations of the "recipient side" of electronic contracts that cannot be ignored, the risks of "leaving it unattended" from tax and legal perspectives, and provide a practical storage manual that can be used immediately. ---Content of the article-------------------------------- [Part 1] ■ The biggest trap is thinking "it doesn't matter because our company hasn't implemented it." The obligation to store electronic records under the Electronic Bookkeeping Act applies 100% to the recipient side. ■ Is it legal to "leave it unattended" in the other party's system? Interpreting the latest views from the National Tax Agency. ■ The three major risks of "leaving it unattended" from the perspectives of legal affairs and internal controls. ■ What requirements must the recipient side meet? [Part 2] ■ A recap of the "two major requirements" of the Electronic Bookkeeping Act that the recipient side must meet. ■ Reducing the burden on the field! A specific storage and operation manual for the "recipient side." ■ The true solution is the integration and centralized management of "third-party system contracts." ■ Utilizing paperlogic for the "ultimate automation and centralized management." ■ Even as the "recipient side," it is necessary to maintain control over electronic transactions! -------------------------------------------------------- The full article can be accessed through the "related links."

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Why did "participant-type" electronic signatures not become widespread? A thorough explanation of the reasons and the latest trends.

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The signing methods for electronic contracts (party type and witness type) are directly linked to the strength of their legal effectiveness. In this article, we will outline the reasons why the more stringent "party type" has been difficult to popularize until now. ---【Conclusion of this article】-------------------------------- • There are two signing methods for electronic contracts: "witness type" and "party type," which differ in the strictness of identity verification. • The main reasons why the party type has not spread are the three factors of "effort, cost, and the structural risk of entrusting a private key." • However, with the spread of public personal authentication (JPKI) using My Number cards, these three barriers are beginning to crumble. -------------------------------------------------------- The full text of the article can be accessed from the "Related Links."

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Is an electronic contract legally valid? Explanation of the reasons why paper and seals are unnecessary and points to consider【How to Choose an Electronic Contract|vol.1】

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In response to concerns about whether operations in the cloud and electronic contracts without seals have legal validity, this series will explain how to choose a signature method. As a prerequisite, this time we will organize the legal treatment of electronic contracts. (Note that the preservation rules under the Electronic Book Preservation Act are a separate topic.) ---【Conclusion of this article】-------------------------------- - Electronic contracts are validly established without a written document according to the principles of civil law. - The "paper" of a contract is not a requirement for the establishment of the contract but a practical measure to retain evidence of the contract. - However, there are exceptions where certain contracts require a written document as mandated by law. -------------------------------------------------------- The full text of the article can be accessed via the "Related Links."

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paperlogic

paperlogic Co., Ltd.

Information and Communications

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Paper Logic Co., Ltd. provides a cloud service called "paperlogic" that fully complies with laws and regulations, supporting companies in streamlining their contract operations and advancing digital transformation of business documents. With a team of professionals including certified public accountants, tax accountants, and lawyers, we propose cloud solutions that completely eliminate paper documents (disposal of original paper) in the areas of corporate accounting, general affairs, and legal affairs, focusing on delivering high-quality IT solutions to businesses while adhering to legal requirements for document retention.

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