Gültigem
Gültigem is a grammatical form of the German adjective gültig, meaning valid or in effect. In German, adjectives are declined to reflect case, gender and number, and gültigem is the dative singular form used for masculine or neuter nouns when the adjective appears without a determiner (strong declension) or after prepositions that require the dative.
The form gültigem commonly appears in phrases describing the state or validity of something in the dative
Gültig describes things that have legal force, authenticity, or practical applicability, such as documents, contracts, rules,
In summary, gültigem is the dative singular masculine or neuter form of gültig used without a determiner