<def-root>Under some <fen>Condition</fen>, usually left implicit, a <fen>Duty</fen> needs to be fulfilled by a
<fen>Responsible_party</fen>. If the <fen>Duty</fen> is not performed, there may be some undesirable <fen>Consequence</fen> for the <fen>Responsible_party</fen>, which may or may not be stated overtly.
Compare this frame to the Being_obligated frame.
<ex>It would <t>behoove</t> <fex name="res">us</fex> <fex name="dut">to comprehend and personalize what Jesus had to tell his disciples</fex></ex>
<ex>Fressed too much at the <t>obligatory</t> <fex name="dut">BBQ</fex>. <fex name="res">INI</fex></ex>
<ex>When I was in HS, <fex name="dut">marching band</fex> <m>was</m> <t>mandatory</t> in order to participate in any of the other ensembles <fex name="res">INI</fex></ex>
<ex>Should <fex name="dut">insurance</fex> <m>be</m> <t>compulsory</t>?</ex></def-root>
<def-root>This FE indicates the <fen>Condition</fen> under which the <fen>Duty</fen> is required of the <fen>Responsible_party</fen>.
<ex>The use of a spirometer is <t>mandatory</t> <fex name="Condition">if early stages of chronic obstructive lung disease are to be detected</fex>.</ex></def-root>
<def-root>The <fen>Consequence</fen> will result if the <fen>Duty</fen> is not performed.
<ex>Attendance of the 341 meeting of creditors is <t>mandatory</t> <fex name="cons">or you will not receive your discharge</fex>.</ex></def-root>
<def-root>The action that the <fen>Responsible_party</fen> is obligated to perform.
<ex><fex name="dut">Getting a shot against yellow fever</fex> is <t>obligatory</t> for travellers to Benin. </ex></def-root>
<def-root>The person who must perform the <fen>Duty</fen>.
<ex>The use of TM software is <t>obligatory</t> <fex name="res">for every freelance translator working on projects for our company</fex>.</ex></def-root>
<def-root>The time interval during which the <fen>Duty</fen> is mandatory.
<ex><fex name="tim">These days</fex>, wearing a seat-belt is <t>mandatory</t>.</ex></def-root>
<def-root>A location in which the <fen>Duty</fen> obtains.
<ex>Gymnasium is not <t>obligatory</t> <fex name="pla">in Sweden</fex>, but nearly everyone attends gymnasium</ex></def-root>
<def-root>The positive consequence of the <fen>Duty</fen> being fulfilled.
<ex>Not acting as a savior is compulsory <fex name="pur">to avoid misunderstanding and loss of confidence in partnership, which many American investors, particularly African Americans, may experience</fex>.</ex></def-root>
<def-root>The reason why the <fen>Duty</fen> is necessary for the <fen>Responsible_party</fen>.
<ex>Rigorous posttreatment follow-up is <t>mandatory</t>, <fex name="exp">because long-term recurrence rates after treatment of melanoma in situ with imiquimod are yet unknown</fex>. </ex>
</def-root>
Obligation_scenario
COD: required by law or mandate; compulsory
COD: required by law or rule; obligatory
COD: compulsory
COD: necessary for (someone) as duty or responsibility
FN: to be necessary for
COD: (of an agreement) involving a contractual obligation
FN: non-compulsory.