What are the mandatory and optional elements that should be included in a scientific work, according to the text? Local and year of presentation Ti...

What are the mandatory and optional elements that should be included in a scientific work, according to the text?
Local and year of presentation
Title and subtitle
Objective of the work
Name of the author and advisor
Nature of the work
Approval date
Errata
Acknowledgments
Epigraph
The dedication is a mandatory element
The epigraph should be elaborated according to ABNT NBR 10520/2002
The approval date should be included in the dedication
The errata is a mandatory element
a) It is mandatory to include the local and year of presentation, title, subtitle, nature of the work, name of the author and advisor, and approval date. The errata, dedication, acknowledgments, and epigraph are optional elements.
b) It is mandatory to include the local and year of presentation, title, subtitle, nature of the work, name of the author and advisor, and approval date. The errata and epigraph are optional elements, while the dedication and acknowledgments are mandatory.
c) It is mandatory to include the local and year of presentation, title, subtitle, nature of the work, name of the author and advisor, and approval date. The errata, dedication, and epigraph are optional elements, while the acknowledgments are mandatory.
d) It is mandatory to include the local and year of presentation, title, subtitle, nature of the work, name of the author and advisor, approval date, and errata. The dedication, acknowledgments, and epigraph are optional elements.