Difference between Obligatory and Required

OBLIGATORY vs REQUIRED: ADJECTIVE

Requiring a matter or obligation.
Imposing obligation, morally or legally; binding: an obligatory promise.
Binding in law or conscience; imposing duty or obligation; requiring performance or forbearance of some act; -- often followed by on or upon.
Obligate.
Required as part of a routine course of action or cultural expectation; predictable.
Of the nature of an obligation; compulsory.
Morally or legally constraining or binding
Required by obligation or compulsion or convention

Imposing obligation; binding in law or conscience; imposing duty; requiring performance of or forbearance from some act: followed by on before the person, formerly by to.

Statutory, Minimum, Requirement, Mandated, Obliged, Incumbent on, Imposed, Bounden, Indispensable, Necessary, Prerequisite, Required, De rigueur, Mandatory, Compulsory

Prerequisite, Obliged, Need, Must, Mandated, Requirement, Called upon, Needful, Obligatory, Compulsory, Mandatory, Requisite, Obligated, Needed, Necessary

Statutory, Minimum, Requirement, Mandated, Obliged, Incumbent on, Imposed, Bounden, Indispensable, Necessary, Prerequisite, Required, De rigueur, Mandatory, Compulsory

Stipulated, Prerequisite, Obliged, Need, Must, Mandated, Requirement, Needful, Obligatory, Compulsory, Mandatory, Requisite, Obligated, Needed, Necessary

But it is not obligatory in this case.
Obligatory use of local labor, plant and material.
APA the cover page is not always obligatory.
Obligatory committees needed to do businessaudit, budget etcvi.
Telugu Meaning of Obligatory or Meaning of Obligatory in Telugu.
This Act applies to obligatory insurance contracts with the specifications arising from the Act which establishes obligatory insurance.
The state obligatory standards of relevant levels of education are obligatory for all educational organizations irrespective of their form of ownership, types and kinds.
If one is performing dry ablution for an obligatory prayer, one must intend its being obligatory, though need not specify whether.
It shows that circumcision was obligatory upon him and therefore obligatory on all men.
But I feel this obligatory part is looking a lot less obligatory.

Said fee is required for each application filed and is required at the time the application is submitted.
The shipment is accompanied by any official document required under the other international treaty, convention, or agreement or otherwise required by law.
However, the content of the enhanced disclosures required by this Statement is generally consistent with that previously required by the FSP.
They are only required to conduct a visual inspection of the property, and buried gas lines are not required to be inspected.
No additional financial statement disclosures are required for intangible assets other than those required for capital assets.
Nonpublic schools are not required to meet the minimum session days that are required for public schools.
The Entity reserves the right to require complete, certified copies of all required insurance policies, including endorsements required by these specifications, at any time.
If the creditor is required to obtain an additional written appraisal, the two required appraisals must be conducted by different appraisers.
Performing arts majors are, however, required to audition and may be required to interview.
DI must be created with all required attachments and submitted through the required workflow.