该小组履行以下部分或全部职责：

采购控制人员

• 审查请购单的准确性，并核实当前库存中没有材料、设备和库存
• 从目录和供应商处获取报价并准备采购订单
• 计算订单成本并将发票计入或转发到适当的账户
• 在采购权限内处理采购
• 联系供应商安排交货并解决短缺、错过交货和其他问题
• 准备和维护采购文件、报告和价目表。

库存控制工人

• 使用手动或计算机化的库存系统在企业内发放、转移或向公众出售材料、设备和库存时监控库存水平
• 使用手动或计算机化的库存系统编制库存报告，记录材料、设备和库存的数量、类型和价值
• 准备请购单以补充材料、设备和库存
• 维持存货周转，处理过时存货
• 输入生产计划、库存补充/搬迁和库存调整的数据
• 协调物理库存与计算机计数。

• 通常需要完成中学学业。
• 采购控制人员可能需要采购管理课程。
• 库存控制人员可能需要生产和库存管理课程以及操作计算机化库存系统的能力。

• 通过额外的培训或经验，有可能晋升到主管职位或更高级的职位，例如采购代理或零售采购员。
• 在某些企业中，采购和库存控制人员的职责可能会重叠。

• 采购和采购代理人和官员（12102）
• 零售和批发买家（62101）
• 店主和 伴侣 ( 14401)
• 库存文员主管（12013 监管，供应链，跟踪和调度协调职业）

This group performs some or all of the following duties:

Purchasing control workers

• Review requisition orders for accuracy and verify that materials, equipment and stock are not available from current inventories
• Source and obtain price quotations from catalogues and suppliers and prepare purchase orders
• Calculate cost of orders and charge or forward invoices to appropriate accounts
• Process purchases within purchasing authority
• Contact suppliers to schedule deliveries and to resolve shortages, missed deliveries and other problems
• Prepare and maintain purchasing files, reports and price lists.

Inventory control workers

• Monitor inventory levels as materials, equipment and stock are issued, transferred within an establishment or sold to the public using manual or computerized inventory systems
• Compile inventory reports, recording the quantity, type and value of materials, equipment and stock on hand, using manual or computerized inventory systems
• Prepare requisition orders to replenish materials, equipment and stock
• Maintain stock rotation and dispose of and account for outdated stock
• Enter data for production scheduling, stock replenishment/relocation and inventory adjustments
• Reconcile physical inventories with computer counts.

• Completion of secondary school is usually required.
• Courses in purchasing management may be required for purchasing control workers.
• Courses in production and inventory management and ability to operate a computerized inventory system may be required for inventory control workers.

• Progression to supervisory positions or more senior occupations such as purchasing agent or retail buyer is possible with additional training or experience.
• The duties of purchasing and inventory control workers may overlap in some establishments.

• Procurement and purchasing agents and officers (12102)
• Retail and wholesale buyers (62101)
• Storekeepers and partspersons (14401)
• Inventory clerks supervisor (in 12013 Supervisors, supply chain, tracking and scheduling coordination occupations )