The phrase "a rigid application of" is correct and usable in written English.
It can be used when discussing the strict enforcement or adherence to rules, principles, or standards.
Example: "The committee's decision was based on a rigid application of the existing regulations, leaving no room for flexibility."
Alternatives: "a strict enforcement of" or "an inflexible adherence to".
Some lower court decisions, brought to our attention by the State, reflect a rigid application of such rules.
In the Horn of Africa, governmental collapse in Somalia in the last decade led to a rigid application of Islamic law.
What's been interesting about these recommendations is that they do not, as you might expect, come from a rigid application of conventional economic models.
Network engineer Fred Baker uses this distinction between voice and web, or between "real-time" and "elastic" applications, to demonstrate one of the consequences of a rigid application of net neutrality rules.
The court is fully mindful of the reasons for the admonition of the District of Columbia Circuit in Microsoft II of the perils associated with a rigid application of the traditional "separate products" test to computer software design.
To paraphrase from the Harvard University OGC Copyright website, Fair Use is the right to use a copyrighted work under certain conditions without permission of the copyright owner to prevent a rigid application of copyright law that would stifle the very creativity the law is designed to foster.
This is a consequence of the rigid application of a universal threshold.
Consequently it attributes a fundamental role to one's ability to apply judgment and exercise discretion in concrete and specific situations that defy the rigid application of a certain technique (or a set of techniques).
It should be noted that the rigid application of an essentially political chronology to developments in the arts can be deceptive.
Matilde Poggi, an independent producer in Cavaion, near Verona, said such rigid application of EU rules would hit her ability to market her wine.
The food is also getting safer: rigid application of hygiene procedures - treating the farms as clinically as a food factory - has meant that in just a few years the amount of fresh chicken in supermarkets infected with the vomit-inducing salmonella bacteria has fallen from one in three to one in 20.
