A financial constraint is a limitation on the amount of money that can be spent on a project. It is one of the common types of constraints that affect project management, along with scope, time, quality, and risk constraints. A financial constraint can affect the feasibility, scope, and quality of a project, as well as the resources and activities involved in it. A business analyst needs to identify and document the financial constraints of a project, as well as the assumptions and dependencies related to them. A business analyst also needs to monitor and control the project budget, and communicate any changes or issues to the stakeholders.

References: The concept of financial constraint is discussed in the BABOK Guide, version 3, under the section 4.1 Plan Business Analysis Approach1. The CCBA Certification Study Guide, version 3, also covers this topic under the chapter 4 Business Analysis Planning and Monitoring2. Additionally, the Guidelines on Gender-Responsive and Socially Inclusive Climate Cost-Benefit Analysis (CCBA) provide a framework for analyzing projects with financial constraints, among other factors3.