About 9 major edits to document, see below

1.At the act level, your code & text references don’t exist. I’ve just used the highest level of your narrative, but you may want to revise
2.At the act level, I would recommend not using <high />…either omit <high> or use <high nullFlavor=”NI”> 
3.For your act/author/time I’ve changed the timezone to a valid offset (i.e. “0500” not “0005”)
4.For your act/author, I’ve changed the format slightly to align with more common telephone encoding
5.For the second reaction, time in structure needs to align with narrative. 
6.For the second reaction, the reaction reference needed to be changed (“REACT_1.1.2L” doesn’t exist) 
7.For the second reaction severity, the reference needed to be changed (“SEV_1.1.2L” doesn’t exist) 
8.Example should start with <section> not <component>
9.I’ve changed the tab formatting to make it more legible in GitHub. Also you had some very odd line break (i.e. closing “/>” on separate line. I’ve reformatted a bunch