The set of policy‑guided activities by which a library identifies, evaluates, and obtains materials or digital resources for addition to its accessioned collection, including selection decisions, budget allocation, ordering or licensing, receipt, invoicing, and the initial steps toward cataloguing or rights documentation.

Principle

Acquisition establishes the institution’s legal, financial, and access relationship to a resource; acquiring (purchase, gift acceptance, or license) creates obligations for payment, rights management, and stewardship that differ by resource type.

Demonstration

Illustrative scenario: Situation — faculty request a licensed e‑journal for a new course. Recognition — acquisitions staff verify subject fit, budget, and license terms. Action — the library negotiates a license, places the order, records the purchase and license, and activates access in the discovery layer. Consequence — students obtain access under the negotiated terms and the library assumes license compliance and renewal obligations.

Misapplication

Assuming acquisition always equals perpetual ownership; the semantic error is failing to distinguish outright purchase from time‑limited licenses, subscriptions, or mediated access, which alter long‑term access and preservation responsibilities.

Consequence

Acquisition decisions define the holdings available to users and create ongoing financial commitments, rights and access conditions, and preservation duties; poor acquisition choices can produce inaccessible resources or unanticipated recurring costs.

Reversal

In some cases libraries obtain access without acquiring ownership (e.g., short‑term subscriptions, streaming platforms, or trial licenses); gifts may carry conditions that limit use or require disposal; these arrangements change the institution’s obligations compared with a clear purchase.

Boundary

Clearly within — purchasing and licensing an e‑book and recording its license. Boundary case — harvesting open‑access content into a repository where no purchase occurs but rights must be tracked. Clearly outside — informal borrowing of an item from a patron or short‑term trial access that is neither recorded nor budgeted.

Semantic Tension

Ownership/Preservation ↔ Access/Cost (buying to preserve vs licensing to provide access cheaply); acquisitions must reconcile long‑term stewardship with short‑term access and budget constraints.

Synthesis

Acquisition is the point at which institutional commitment is made: it converts selection decisions into legal and financial obligations that shape what the institution must maintain, provide, and fund over time.