--- title: Locking Fiscal Periods in Sage 300 description: It's important to understand how transactions flow through Sage 300 ERP before you begin locking fiscal periods for individual modules. --- [866.436.3530](tel:+8664363530) | [** Customer Portal Login](https://na.myconnectwise.net/support/index.htm?Company=equationtech) [Speak With an Expert](https://www.equationtech.us/speak-with-an-expert) [![Equation Technologies - Sage Business Partner | San Diego](https://www.equationtech.us/hs-fs/hubfs/Redesign_Images/logo.png?width=230&name=logo.png "Equation Technologies - Sage Business Partner | San Diego")](https://www.equationtech.us/) - [Sage Services](https://www.equationtech.us/sage-services) - Products We Support - [Sage 300](https://www.equationtech.us/sage-services/sage-300-cloud) - [Sage Intacct](https://www.equationtech.us/sage-services/sage-intacct/) - [Sage CRM](https://www.equationtech.us/sage-services/sage-crm) - [Sage Payroll](https://www.equationtech.us/sage-services/sage-payroll) - [Sage HCM](https://www.equationtech.us/sage-services/sage-hcm-software) - [Sage FAS](https://www.equationtech.us/sage-services/fixed-assets) - [Sage Intelligence](https://www.equationtech.us/sage-services/sage-intelligence) - [Sage Enterprise Intelligence](https://www.equationtech.us/sage-services/sage-enterprise) - Services We Offer - [Software Selection](https://www.equationtech.us/software-solution-selection) - [Implementation](https://www.equationtech.us/sage-services/erp-implementation) - [Customization](https://www.equationtech.us/sage-services/customization) - [Support](https://www.equationtech.us/sage-services/support) - [Training](https://www.equationtech.us/sage-services/sage-training) - [Sage Cloud](https://www.equationtech.us/sage-services/hosting) - [Upgrades](https://www.equationtech.us/sage-services/upgrades) - [Extend Sage](https://www.equationtech.us/sage-integrations) - [Magento eCommerce](https://www.equationtech.us/sage-integrations#magento) - [ADP](https://www.equationtech.us/en/sage-300-sage-intacct-payroll-powered-by-adp) - [Aloha POS](https://www.equationtech.us/sage-integrations#aloha) - [Salesforce](https://www.equationtech.us/sage-integrations#salesforce) - [TimeClockPlus](https://www.equationtech.us/timeclockplus) - [Other Solutions](https://www.equationtech.us/other-solutions) - Industries - [Distribution](https://www.equationtech.us/distribution-management-software-solution) - [Education Nonprofit](https://www.equationtech.us/education-nonprofit-accounting-software) - [Financial Services](https://www.equationtech.us/financial-services-software) - [Franchise](https://www.equationtech.us/franchise-management-software) - [Healthcare](https://www.equationtech.us/healthcare-finance-software) - [Hospitality](https://www.equationtech.us/hotel-restaurant-accounting-software-solutions) - [Metal Processors & Distributors](https://www.equationtech.us/erp-for-metal-industry-businesses) - [Nonprofit](https://www.equationtech.us/nonprofit-accounting-software) - [Professional Services](https://www.equationtech.us/professional-services-software) - [SaaS & Technology](https://www.equationtech.us/erp-software-for-technology) - [Resources](https://www.equationtech.us/sage-software-resource-library) - [Technology Blog](https://www.equationtech.us/technology-blog) - [Training](https://www.equationtech.us/sage-services/sage-training) - [Online Videos](https://www.equationtech.us/sage-300-erp-accpac-tutorial) - [Case Studies](https://www.equationtech.us/case-studies) - [About](https://www.equationtech.us/about-us) - [Meet The Team](https://www.equationtech.us/management-team) - [Partners](https://www.equationtech.us/partners) - [Careers](https://www.equationtech.us/careers) - [Contact](https://www.equationtech.us/contact) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. # Locking Fiscal Periods in Sage 300 **twitter **linkedin **facebook Starting with Sage 300 ERP Version 6.0, you have the ability to lock or unlock fiscal periods **individually** **for each module** (in versions prior to 6.0, you can only lock or unlock **all **modules at once). This added capability in Version 6.0 and higher makes it easier to lock down modules in the proper sequence and prevent unexpected errors. **Preparing to Lock Fiscal Periods** It's important to understand how transactions flow through Sage 300 ERP **before you begin** locking fiscal periods for individual modules. This [Preparing to Lock Fiscal Periods](http://www.youtube.com/watch?v=1dq5uENmcWM) video provides important information that you should review prior to locking fiscal periods. **Locking Fiscal Periods in Sage 300 ERP ** After you review the set up and workflow information, you’re ready to use the fiscal calendar to begin locking and unlocking fiscal periods. Here are some general best practices to keep in mind: 1. Lock operations modules (OE, Inventory, etc.) ***before*** financial modules (GL, AP, AR, etc.). 2. When locking Bank Services, also lock modules that integrate directly with it including AR, AP, & Payroll. 3. Create and post all outstanding GL batches for a fiscal period before you lock it for GL. ** ** Watch the [Locking Fiscal Periods video](http://www.youtube.com/watch?v=3XfBKUsim4A) on YouTube for step-by-step instructions.   ### Related Articles ##### [Sage 300 & Windows 10 End of Life: What You Need to Know](https://www.equationtech.us/sage-accpac-blog/sage-300-windows-10-end-of-life-what-you-need-to-know) There’s been a lot of conversation lately around Windows 10 end of life and what that means for... ##### [From Start-Up to Quarter Billion – How Sage 300 Scaled Success](https://www.equationtech.us/sage-accpac-blog/from-start-up-to-quarter-billion-how-sage-300-scaled-success) We also have a [video version](https://drive.google.com/file/d/1ssdM9iHt6Wz86A-VDvAER03NdXkAodg9/view?usp=sharing) of this article, where you can hear directly from one of our ERP... ##### [How to Simplify Payroll and Job Costing with Sage 300](https://www.equationtech.us/sage-accpac-blog/how-to-simplify-payroll-and-job-costing-with-sage-300) Getting payroll to play nice with your job costing system is like fitting a square peg into a round... ## Need Help Now? 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