This is the 14978th most frequent Russian word.
подписании
"Подписании" means "signing" (the act of signing).
In this case, "подписания" functions in the genitive case to describe an event following the completion of the 'signing'.
После подписания контракта начнётся новый этап работы.
After signing the contract, a new stage of work will begin.
The word "подписании" is used here in the prepositional case to denote the action of 'signing' within a specific context.
При подписании договора важно внимательно читать все пункты.
When signing a contract, it's important to carefully read all the clauses.
"Подписания" is employed here in the genitive case to indicate an occurrence happening concurrent with the action of 'signing'.