FDLP eXchange

FDLP eXchange Background

eXchange logo

The FDLP eXchange replaces and expands upon the former national Needs & Offers. The goal was to build an application that libraries in the Federal Depository Library Program (FDLP) could use as a one-stop-shop for the entire needs and offers process. FDLP eXchange automates disposition processing by allowing libraries to enter information on materials they want to discard and to have the process managed by an automated workflow. The application also allows libraries to enter information on materials needed for their collections or digitization efforts.

The user-friendly design includes an easy-to-use interface as well as many convenient features. This includes options to manually enter records or upload lists from a library’s catalog, and the entire site is mobile ready. The automated workflow moves offers through the process of offering materials first to the library’s regional depository, then to other selectives in the same region, then to libraries across the country. A matching function matches one library’s offers with other libraries’ needs and provides notification to both libraries when there is a match. The in-site communication tool allows libraries to communicate within the application through an interface that allows colleagues to collaborate on requests placed with other libraries.

FDLP eXchange Production Site

The FDLP eXchange production site is now live. In regions that have adopted the application as part of their disposition process, selective depositories can enter offers for review by their regional depositories. When the regional has completed their review, unneeded materials move on to review by other selectives in the region. Materials not claimed by the regional or other selectives in the region move on to be offered nationally if the library has chosen to offer materials outside their region. All libraries can post needs and receive notification when their need matches another library’s offer.

Libraries in regions that have not adopted FDLP eXchange for their disposition process may still use FDLP eXchange to offer materials nationally after they have been offered within their region and remain unclaimed. These libraries may also post needs to receive notification when their need matches another library’s offer.

FDLP eXchange Training Site

In October 2017 GPO launched a training version of FDLP eXchange to provide libraries with a sandbox where they could test the application and learn how to use it. With the launch of the production site, the FDLP eXchange training site has moved to a new URL where FDLP library staff may continue to try out the application. Automated redirects will be in place for a limited time to route users to the updated site. GPO recommends updating bookmarks and links in any materials libraries may have pointing to the previous version of the training site.

The training site also gives regionals an opportunity to test the application within their regions and to determine their own procedures if they choose to use the application as part of the disposition process. The training site has full functionality – with the exception of email notifications.

Selective depositories should continue to follow guidance from their regionals. Consult your regional depository library coordinator if you have questions.

Users should remember that records in the training site are test records. Offers of materials that are actually being processed for discard should be offered in the production site. Likewise, needs that libraries are actually trying to fill should be entered on the production site. 

FDLP eXchange Project Timeline

  • Contract issued to Confluence, Corp.: September 2015
  • Discovery phase completed: December 2015
  • Initial site design completed: April 2016
  • Initial development completed: July 2016
  • GPO internal tested completed: August 2016
  • Beta test completed: September 2016
  • Additional development: throughout Spring 2017
  • Sunset of the national Needs & Offers service: June 1, 2017
  • Launch of FDLP eXchange training and educational resources: June 1, 2017
  • Launch of the FDLP eXchange Training Site: October 2017
  • Launch of FDLP eXchange Production Site: June 2018

Benefits of the FDLP eXchange

The FDLP eXchange boasts many benefits for regional and selective depository libraries. Download the benefits document to share with library administrators, directors, and staff.

Next Steps

Regionals will want to take some steps to ensure that FDLP eXchange is set up correctly for their region, whether or not they plan to adopt the application as the primary discard process in their region. Review the checklist here.

Selectives will also want to take some steps to ensure that FDLP eXchange is set up correctly for their library, whether your region is adopting the application for its discard process or not. Review the checklist here.

Frequently Asked Questions

Download FDLP eXchange Frequently Asked Questions.

Templates to Upload Needs and Offers

Download templates for uploading needs lists (.csv, .xlsx) and offers lists (.csv, .xlsx).

Please note that the .xlsx versions of the templates have bolded column headers to indicate required fields. Users whose software does not support the.xlsx format should use the .csv versions of the templates.

Download sample needs lists (.csv, .xlsx) and offers lists (.csv, .xlsx).

These include example entries for monographs, serials entered as a range, and serials entered as individual issues.

Use the FDLP eXchange Data Dictionary to help you complete your spreadsheets.

The data dictionary provides descriptions of fields in offers, needs, user, and library records. It also indicates which fields are required, specifies accepted values for fields that only accept certain values, and provides definitions of accepted values.

Related Documents and Resources

FDLP eXchange Training for Regionals & Selectives

Training Videos

Explore brief, task-based training webcasts:

If you are not able to play the MP4 file, try switching to a different web browser.

FDLP eXchange QuickStart Guide

Tips of the Week

Each week, GPO will bring FDLP eXchange users a new tip to help you navigate FDLP eXchange.

Tip 1: Using FDLP eXchange to Offer Materials Nationally

Check the “Offer Nationally” box to offer materials outside your region after following regional procedures to offer within the region.

The default when FDLP eXchange was launched was to leave the box unchecked, so libraries that want to offer nationally will need to change that setting to enable offering outside their region in FDLP eXchange.

To verify that the box is checked, login to FDLP eXchange, then choose “My Library” from the Library Account menu. If the box has been checked, you will see “Offer nationally?: Y” on the Library Account page.

If you see “Offer Nationally?: N” and want to offer your materials outside your region, click the Edit tab and scroll down until you see “Offer Nationally?” with a check box to the right. Click the box so that a check mark appears in the box. Then use the drop-down menu below “Time to Offer Nationally” to select the number of days that you want to offer the material outside your region. The default is 45 days.

If you have materials in the system that have not expired from Phase 2 (review by selectives in your region), changing this setting will ensure that they are offered nationally after they have been offered through your region. Anything that has already expired from Phase 2 will not revert to Offer Nationally. To offer those titles outside your region, you will need to re-enter them after checking the box.

Tip 2: Administrative Review

There are two types of accounts in FDLP eXchange: library administrators and library users.

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Library users can enter items into the eXchange, but those items must be reviewed and approved by a library administrator before they can be sent for regional review.

Library administrators can review these items by selecting “Approve Items for Submission” under the Library Account tab.

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The library administrator will see all items that have been entered by library users and can submit them to the regional for review, edit them, or delete them.

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It important to remember that items entered by library users are not sent for regional review until they have been submitted by a library administrator. Library administrators should check their queue regularly to be sure that they do not have items pending review.

Library administrators can set up library user accounts for staff who will be entering items into the eXchange but who do not have the authority to submit to the regional. Examples of users could be student workers, volunteers, or any staff member who needs occasional access but does not bear primary responsibility for disposition processes in your library.

During implementation, library administrator accounts were established for all coordinators as listed in the Federal Depository Library Directory on April 2, 2018. A coordinator can request that other staff members be added as administrators by contacting This email address is being protected from spambots. You need JavaScript enabled to view it.. Please note that the request must come from the Depository Coordinator.

Tip 3: Usernames and Passwords

Separate accounts are set up for each user in FDLP eXchange. Accounts are always set up with the user’s email address as username. Passwords are created by each user during the first login.

Follow these instructions to login for the first time and create your password:
Go to https://exchange.fdlp.gov / training-exchange.fdlp.gov and select “Request new password.” Enter your e-mail address in the Username bar. You will receive an e-mail shortly with instructions on setting your password.

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Here are some important things to remember about usernames and passwords in FDLP eXchange.

  1. You have to set a password for both the production site (https://exchange.fdlp.gov) and the training site (training-exchange.fdlp.gov). You can create the same password for both accounts if you want, but you will need to go through the set up process for each site.
  2. Each individual user has a unique account and password.
  3. Depository numbers and internal passwords are not used in FDLP eXchange.
  4. Sometimes password e-mails get stuck in SPAM filters or junk mail folders. If you do not get your password e-mail, check there first.
  5. If you do not receive your password e-mail and it is not in your SPAM or junk mail folder, contact us at This email address is being protected from spambots. You need JavaScript enabled to view it. and we will send you a temporary password.
  6. When setting up User Accounts for your staff, make sure to use their e-mail address as username. This will make it easier to update accounts if necessary.

Tip 4: Don’t get locked out!

As with many computer systems, FDLP eXchange has a security feature that will lock your account after a number of unsuccessful login attempts. This helps prevent unauthorized users from hacking into your account, but it can also cause you to be locked out of your account if you forget your password. To avoid this, GPO recommends that you use the “Request new password” tab to reset your password after four unsuccessful attempts to login when you have forgotten your password.

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On the sixth failed attempt, you will get the error message below.

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Should you get this message, your account will be blocked for six hours. GPO does not recommend using the “request a new password” link at this point. Instead, GPO recommends waiting six hours before resetting your password. At that point you can reset your password and continue as normal.

Should you need immediate access to your account, you can use the “request a new password” link in the error message. However, you should be aware that doing so will allow you to reset your password and access your account, but you will need to remain logged into your account for six hours to avoid being locked out of your account. If you change your password and log out sooner than six hours later, you will be locked out of your account and will not be able to reset your password at that time.

In the event that you do get locked out, please contact This email address is being protected from spambots. You need JavaScript enabled to view it. for further assistance.

Tip 5: Shipping List Dates

Because five-year retention of materials is a core rule of the FDLP, we originally made shipping date a required field in FDLP eXchange.

However, we soon learned that this requirement might place too much of a burden on our users. In many cases, especially on very old documents, shipping dates are not always readily available. The requirement has also caused problems with regional-approved electronic substitution, supersession, and offering duplicate copies.

We have been able to remove the requirement in some input procedures but not others. Removing the requirement from the remaining input procedures is on our list for potential future development.

In the meantime, we have come a few solutions to mediate any issues you might have.

  1. When MANUALLY inputting offers, “Shipping List Date” is no longer required (as indicated by the lack of an asterisk.) If you prefer to do so, you can click “Item doesn’t have a date” here.
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  3. When uploading a Spreadsheet, use “01/01/0000” as the Shipping Date for any items you do not have a shipping date for.
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If you have any questions about shipping dates, or continue to have problems after using these work-arounds, contact This email address is being protected from spambots. You need JavaScript enabled to view it. for further assistance.

Tip 6 – Offers- Regional Review, Selective Review, and Offering Nationally

FDLP eXchange is a tool designed to make discarding depository materials easier for libraries. However, it is important to remember that requirements and processes for discarding have not changed with the release of eXchange.

  • Regionals still establish discard policies and procedures for their regions. They determine whether a region will use eXchange, what can be discarded, and how long review periods are to be.
  • Offers must still follow the established review process of: regional first, selectives within the state second, then national offers.
  • Limits on discards in states without a regional continue to apply.

With this in mind, FDLP eXchange was designed to pass offers through three distinct phases before becoming eligible for discard.

  1. Phase 1- Regional Review is the period in which a regional library reviews all offers and determines whether or not to pass, disallow, or request all items being offered in the region. The time period allowed for this phase is determined and set by the regional library. Selective libraries will not be able to change the review period.
  2. Phase 2- Selective Review is the period in which selectives review all offers from within their own region that have been passed on by their regional. The time period allowed for this phase is also determined and set by the regional library. Selective libraries will not be able to change the review period.
  3. Phase 3- National Offers is the period in which all depository libraries will review offers that have passed through Phases 1&2. Whether or not materials are offered nationally, and for how long, is determined by each individual library. This is done under “Library Account—My Library.”

To offer nationally, the checkbox “Offer Nationally?” must be checked and a time period must be selected. Review periods range from 0-90 days.

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There are a few important things to note about National Offers.

  • Libraries are not required to offer nationally. However, it is strongly encouraged as the practice helps other depositories build their collections.
  • All depository libraries are eligible to post offers nationally, whether or not their region uses FDLP eXchange for regional and selective review. If you are in a region that is not currently using eXchange, contact us and we will set up your account accordingly.
  • The default in eXchange is to not offer nationally, so if your library does want offers to go through this phase, you must go into “Library Account—My Library” and check the box indicating this preference.

If you have any questions about review periods, or need assistance with setting up your account for national offers, contact This email address is being protected from spambots. You need JavaScript enabled to view it..

Tip 7- Inactive Accounts

If you receive a notification that your FDLP eXchange account has been inactive for 90 days, there is no need to worry. This is a standard notification that all users get when accounts are not used for 90 days, and it does not affect your account in any way.

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We understand that FDLP eXchange is a system that is only used as needed, which may mean it is not used for months at a time. Because of this, we would like to provide the following tips:

  1. The notification emails can be ignored and deleted with no repercussions. Your account will not be affected in any way.
  2. Log on/log off your account every 1-2 months to prevent notifications. You will not need to do anything in your account- just log on, then log off.

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If you have questions, Contact This email address is being protected from spambots. You need JavaScript enabled to view it..