'within its competence' is a correct and usable phrase in written English.
You can use it to refer to a body or organization's ability or authority to do something. For example: "The court was asked to determine whether the decision fell within its competence."
And within its competence, according to Collins, science is supreme.
There the State demonstrated a definite purpose which was admittedly within its competence.
Rules 41 and 54 promulgated by the Supreme Court of Kansas, acting within its competence under state law, are not beyond the allowable range of state action under the Fourteenth Amendment.
The ministry, through the 15 union republic ministries of health, directed all medical institutions within its competence as well as the public health authorities and services throughout the country.
Because of the breadth of subject matter within its competence and its capacity to reach deeply into national legal systems, the EU has successfully created an expansive legal system in which all of its member states participate.
WHO has a broad treaty-making power with respect to matters within its competence, and regulations made by the World Health Assembly bind Members on an opt-out basis [ 55].
"In the past years, within its competences, the Ministry of Education, Science and Technology Development has participated in the creation of activities, as well as workshops and other materials aimed at preventing abuse on the internet, with significant support from Telenor and UNICEF.
The Dauphiné Libéré, which serves nine regions in south-eastern France, has maintained its ranking in the top three of the regional press by diversifying within its field of competence, says the chief editor for development, Patrick Peltier.
Leaders of the leftist Workers Party called for Mr. Perez's expulsion, while Mr. Malan said "the allocation of budgetary resources has never been a theme of discussion with the I.M.F. and is not within its area of competence".
"As is usual practice, OLAF will duly consider any relevant new evidence, within its remit of competence," the office said in a statement sent by e-mail over the weekend.
Most notably, after the adoption of the FAO Code of Conduct for Responsible Fisheries in 1995, the GFCM has strived to play a crucial economic and social role within its area of competence, where roughly 45 000 small scale fishing boats currently offer different employment opportunities to several thousands of people.
