nondeclaration

noun — 2 senses

nondeclaration

noun

Etymology From non- + declaration.

1

Failure to declare something.

There are penalties for nondeclaration of tax liabilities.

2

That which is not a declaration.

This is just how the example turned out, but you can freely intermix declarations and nondeclarations.2012, Ben Klemens, 21st Century C: C Tips from the New School, page 117:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.