Nationwide Programmatic Agreement

Nationwide Programmatic Agreement (NPA)

What is an NPA?

A programmatic agreement (PA) is a program alternative developed under Advisory Council on Historic Preservation (ACHP) regulations 36 CFR 800.14 to meet the requirements of Section 106 of the National Historic Preservation Act. PAs allow federal agencies to govern the implementation of a particular agency program or the resolution of adverse effects from complex projects or multiple undertakings similar in nature through negotiation of an agreement between the agency, appropriate State Historic Preservation Offices (SHPOs) / Tribal Historic Preservation Offices (THPOs), and the Advisory Council on Historic Preservation (ACHP), as well as other interested parties and the public. A Nationwide Programmatic Agreement (NPA) is appropriate when the scope of the program involves multiple states.

Purpose of the NPA

The Navy’s goal for the NPA is to integrate strong, proactive historic preservation planning with the unique requirements of the Shipyard Infrastructure Optimization Program (SIOP). The NPA will govern the development and implementation of procedures to incorporate historic preservation planning with the critical timing and complex engineering required to optimize the shipyards.

Participation in the NPA

Public Participation

The views of the public are essential to informed federal decision making in the Section 106 process. The regulations implementing Section 106 call for the federal agency official to arrange for public participation appropriate to the subject matter and the scope of the program.

For the SIOP NPA, the Navy is taking steps to inform the public through this publicly accessible website, periodic announcements in local print media, and publishing a notice in the Federal Register.

Participate in the NPA

If you are interested in participating in the NPA, use this link to inform the Navy’s project team: Select Area(s) of NPA Interest.

Comment on the SIOP NPA

Please feel free to provide comments or questions on the SIOP NPA using this email

Consulting Parties

What is a Consulting Party?

Under ACHP regulations, in addition to SHPOs, Tribes, and Native Hawaiian Organizations, as applicable, consulting parties may include individuals or organizations with a demonstrated interest in the undertaking, including a legal or economic interest, or who are concerned with the undertaking’s effects on historic properties. Consulting Parties will have opportunities to comment during development and implementation throughout the life of the NPA.

Please see Consulting Parties for an updated list of consulting parties invited to participate throughout this NPA consultation.

Request to become a Consulting Party

Click here to request to become a Consulting Party.

To provide comments or questions on the SIOP NPA using this email address:

National Historic Preservation Act
Consultation Meetings

The most recent SIOP NPA Consulting Meeting was on May 6th, 2021 from 2:00 p.m. to 3:30 p.m. EST. Meetings usually occur monthly and a request to become a consulting party may be submitted at any time. Please check back periodically for updates to the meeting schedule. To participate, please see the ‘Request to become a Consulting Party’ section above and send in your information. Below are available videos and/or documents from previous consultation meetings. Videos are password protected to manage project participation. To request a password, please email the Navy SIOP NPA archive at and allow 3-5 business days for a response. Thank you.


National Historic Preservation Act consultation for the Navy Shipyard Optimization began on May 1, 2020 to develop a nationwide program alternative, consistent with 36 CFR 800.14. The current draft agreement, entitled Nationwide Programmatic Agreement Among the Commander Navy Installations Command, the National Conference of State Historic Preservation Officers, and the Advisory Council on Historic Preservation regarding the Improvements, Operations, and Maintenance of Public Shipyards and Support Facilities, version 4 (Navy NPA), takes into account all comments received from the consulting parties through February 2021. The Navy’s proposed draft nationwide agreement would be implemented through Local Management Procedures (LMP), which are integral, local components of the Navy NPA. The draft documents are accessible by selecting the document titles here.

Please email any general comments on the Navy NPA and/or LMP to: For more detailed comments, the Comment Submission Form may be used; please remit the form to the same email address. The Navy plans to acknowledge comments within 3-5 business days and to provide a summary of comments received on this website in the near future.