ss=md-nav__item> <a href=#211-pat-structure class=md-nav__link> <span class=md-ellipsis> 2.1.1 PAT Structure </span> </a> </li> <li class=md-nav__item> <a href=#212-pat-issuance class=md-nav__link> <span class=md-ellipsis> 2.1.2 PAT Issuance </span> </a> </li> <li class=md-nav__item> <a href=#213-pat-usage class=md-nav__link> <span class=md-ellipsis> 2.1.3 PAT Usage </span> </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=#3-authorization class=md-nav__link> <span class=md-el