[1] The Platform for Privacy Preferences 1.0 (P3P1.0) Specification, 2018-10-24T12:28:18.000Z, 2021-04-22T09:58:26.565Z https://www.w3.org/TR/P3P/#Dates
[2] A P3P Preference Exchange Language 1.0 (APPEL1.0), 2018-10-09T13:21:04.000Z, 2021-04-22T09:59:13.664Z https://www.w3.org/TR/2002/WD-P3P-preferences-20020415/#bnf