(b) Changes to conditions affecting security. Each owner/operator required under part 1580, 1582, or 1584 of this subchapter to adopt and carry out a security program must submit a request to amend its security program if, after approval, the owner/operator makes, or intends to make, permanent changes to any of the following procedures, measures, or other aspects of security or emergency response planning implemented by the owner/operator to address:

1. (1) Specific procedures implemented or used to prevent and detect unauthorized access to restricted areas designated by the owner/operator;
2. (2) Measures to be implemented in response to a period of heightened security risk, communicated through a DHS enhanced security notification, including the process used to notify all employees of changes in alert level status or requirements to implement specific elements of the security plan and verify that appropriate enhanced security measures have been implemented at all relevant locations.

3. (3) Emergency response plans, including:

   1. (i) Coordinated response plans establishing procedures for appropriate interaction with State, local, and tribal law enforcement agencies, emergency responders, and Federal officials in order to coordinate security measures and plans for response in the event of a terrorist threat, attack, or other transportation security-related incident;
   2. (ii) Specific procedures to be implemented or used by the owner/operator in response to a terrorist attack, including evacuation and communication plans that include individuals with disabilities; and
   3. (iii) Additional measures to be adopted to address weaknesses in emergency response procedures identified during regular drills or exercises that test corporate capabilities to direct, coordinate, and execute prevention and response activities for terrorist attacks or other security threats, including tunnel evacuation procedures, if applicable.
   4. (iv) Redundant and backup systems to ensure the continuity of operations of critical assets and infrastructure system in the event of a terrorist attack or other transportation security-related incident.

(c) Changes to security training curriculum. Each owner/operator required under part 1580, 1582, or 1584 of this subchapter to adopt and carry out a security program must submit a request to amend its security program if, after approval, the owner/operator makes, or intends to make, permanent changes to its security training curriculum required under part 1580, 1582, or 1584, including changes to address:

1. (1) Determinations that the security training program is ineffective based on the approved method for evaluating effectiveness in the security training program approved by TSA under subpart B of parts 1580, 1582, and 1584; or
2. (2) Development of recurrent training material for purposes of meeting the requirements in § 1570.111(b) of this part or other alternative training materials not previously approved by TSA.

(f) TSA approval.

1. (1) Within 30 calendar days after receiving a proposed amendment, TSA will, in writing, either approve or deny the request to amend. TSA will notify the owner/operator if it needs an extension of time to consider the proposed amendment.

2. (2) TSA may approve—

   1. (i) An amendment to a security program if TSA determines that it is in the interest of the public and transportation security and the proposed amendment provides the level of security required under this subchapter.
   2. (ii) Modification to security training curriculum, including alternative training for purposes of meeting the recurrent training requirement, if all the required training elements are addressed and the material is consistent with the most recent iteration of the security program submitted to, and approved by, TSA (including amendments made to reflect relevant changes to operations and/or security measures and response plans).
   3. (iii) TSA may request additional information from the owner/operator before rendering a decision.