The phrase "a set of mandatory" is correct and usable in written English.
It can be used when referring to a collection of requirements or rules that must be followed.
Example: "The project requires a set of mandatory guidelines to ensure compliance with industry standards."
Alternatives: "a collection of required" or "a group of obligatory".
Since 1999, Chinese workers have enjoyed "golden weeks," a set of mandatory national holidays.
Its structure consists of a set of mandatory elements and a set of variation points.
Every time you play the game, a new island is generated around a set of mandatory scenic features.
To obtain a discount, a set of mandatory criteria must first be met (World Bank Group 2008).
One consequence of the widely acknowledged need to secure the sustainability of biomass production in a fast growing market is the Renewable Energy Directive 2009/28/EC of the European Union (EU-RED) which includes a set of mandatory sustainability criteria and targets as part of an EU sustainability scheme [26] and in the Fuel Quality Directive 2009/30/EC [2009/30/EC
Four years later, in 1988, they created a set of mandatory spending formulas that have come to dominate the annual crafting of a state budget.
As this is a population-based study in a setting of mandatory reporting of all malignancies diagnosed in NSW residents, it is not prone to biases originating from non-representative samples or from differential recording of cancers.
In our approach we consider BIM to consist of a series of stages, at the end of which there is a gate, identifying a set of either mandatory or optional requirements such as the presence of data within the BIM, the accuracy of data, etc.
Finally, about half the respondents, who were senior climate change or sustainability officers, felt that the national renewables target was also unlikely to be achieved by 2020, implying a tension between localism and the need to have a coherent set of mandatory local targets.
Both commercial teams will abide by a new set of mandatory data-release rules established last December.
On April 1, Brown stood on a brown field that would have normally been covered in snow and ordered cities and towns across California to cut water use 25% as part of a sweeping set of mandatory drought restrictions.
