As of 3 January 2018, LEIs are mandatory for all companies who wish to continue trading in securities.

Since you haven't specified the exact nature of "Pkglinks" (whether it is a new software tool, a proposed standard, a GitHub repository, or a concept), I have drafted a versatile article that assumes Pkglinks is a modern developer utility—a CLI tool or standard designed to solve the issue of package discovery and dead links in software registries.

7. API Reference

The tool also provides a REST API when running in web mode:

4.2 List reverse dependencies

pkglinks revdeps flask --ecosystem pypi --limit 10

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