THE SHORT ANSWER
A bank technology decision is usually a chain of decisions, not a single approval. A business team defines the need; technology tests how the system will fit; risk, security, legal, and operations examine what could go wrong; accountable leaders decide whether and how to proceed.
Start with the work
A request often begins with an operational problem: a team spends too long reconciling data, customers wait on a manual step, or an existing system cannot support a new service. The useful first question is what decision or task should change, and who owns its result. A feature list alone rarely explains that.
Banks differ in size, charter, business model, and governance. The people at the table will vary. Common participants include a business sponsor, technology and architecture, information security, operations, procurement, legal, compliance, and risk. The FFIEC technology handbook connects architecture and operations with governance, risk management, and service providers.
Follow the decision into production
Technical review asks whether data can move reliably, access can be controlled, failures can be detected, and the system can be maintained. Risk review asks what the activity means for customers, the institution, and third parties. A pilot can answer a narrow technical question, but production needs an owner, support path, and evidence that the controls actually work.
A useful way to understand the process is to follow one transaction or case from its origin to a decision, exception, and audit trail. That reveals handoffs that an architecture diagram may miss.
Where software helps
Software can reduce duplicate entry, expose missing evidence, make ownership visible, and show where work is stuck. It cannot choose the bank's risk appetite or quietly make an approval on a person's behalf. Design around the people who are accountable for the decision.
Illustrative example: a lending team wants an AI assistant to summarize application documents. The bank must decide which documents it may read, whether summaries can influence a credit decision, how errors are found, and who reviews an exception. The model is one component of that operating workflow.
Original sources
The process explanations above are educational summaries. The linked primary sources govern their own terms and can change; check them for current requirements.