The final rule on concealed firearms (36 CFR 2.4(h)) went into effect last Friday and was published in the Federal Register (73 FR 74966) on December 10th. A memo has been issued by Karen Taylor-Goodrich, associate director for visitor and resource protection, with guidance on implementation of the rule. The guidance can be found on the NPS regulations office home page. Click on the link below to access that page (available only to readers within the National Park Service).