The phrase "an obligation to respond" is correct and usable in written English.
It can be used in contexts where someone is required or expected to reply to a request, question, or situation.
Example: "As a participant in the survey, you have an obligation to respond to the questions honestly."
Alternatives: "a duty to reply" or "a requirement to answer."
These are serious allegations and, as such, the government has an obligation to respond openly.
Under European Union rules, the commission has an obligation to respond to information requests, but may not necessarily grant them.
In essence, three-quarters of the priests surveyed washed their hands of responsibility for Catholics who leave the church and excused themselves from an obligation to respond.
The government, which has behaved as though no such need for balance exists, is now under an obligation to respond with changes to the law.
Homeowners say that their investment in the community has fueled the local economy in recent years, and that the city has an obligation to respond to their concerns.
Zinke said he felt a personal connection with the governor, so when Scott contacted him in writing he felt an obligation to respond.
Once music moved into the worlds of radio and records, so that people could listen at a distance in time and space from the performance, without any obligation to respond audibly, and either alone or in small groups, the practical necessity of the finale diminished.
At its weekly meetings, autodidactic Labour historians reminded us that constitution and conscience absolved all obligation to respond to the wishes of the men and women who worked to guarantee our elections.
They further make an argument for a humanitarian response – a moral obligation to respond to situations that exacerbate vulnerability of communities [ 10].
Social institutions, like the N.C.A.A., have an absolute right and a moral obligation to respond forcefully to crimes and infractions that occur in areas of their responsibility.
Malala understood that every human being, even a young girl, has a moral obligation to respond to injustice.
