SAP Revenue Accounting and Reporting (RAR) can assist your company with meeting revenue recognition compliance with ASC 606 and IFRS 15, but successful implementation requires careful planning and execution. Here are a few best practices to make it an effortless SAP RAR implementation experience:

1. Set Clear Goals and Scope
Understand Business Needs Understand Revenue Recognition Needs and Obstacles Define Goals Set quantifiable SAP RAR goals such as revenue reporting accuracy or accounting standards compliance that you wish to reach by setting clear SAP RAR goals with specific timetables for their completion.

2. Engage Stakeholders Establish early cross-functional collaboration among stakeholders from finance, IT, sales and operations so as to gather multiple perspectives and gain buy-in for your project objectives and progress. Maintain an open dialogue regarding project objectives and progress.

3 Evaluate Processes
Process Mapping: Document your revenue recognition procedures to uncover gaps and make improvements, while Data Assessment analyses data quality and structure to guarantee SAP RAR migration. 

4. Define Data Mappings: Define how legacy data will enter SAP RAR.

5. Carefully Configure Standard Functions Whenever Possible Before Conceivably Building Custom Functions

6. Phase Implement: Begin slowly: For easier income streams, start small before gradually expanding them as your experience builds up. Pilot tests should always be carried out prior to major deployment in order to identify concerns and gather feedback.

7. Focus On User Training Complete Training Programs: Plan SAP RAR training sessions tailored for various user roles so they are knowledgeable. After deployment, provide users with additional assistance and tools that help them adapt.

8. Monitor and Optimize Post Implementation: Monitor progress using key performance indicators (KPIs).
Continuous Improvement: Evaluate processes and gather user input in order to uncover optimization opportunities.

9. Manage Compliance and Governance
Regular Audits: Conduct regular revenue recognition audits to assess compliance with accounting standards and company regulations, with regard to revenue recognition procedures.

Documentation: Retain implementation procedures, settings, and choices as future references for reference.

10. Leverage SAP Support and Community
Utilize SAP Support: Take advantage of SAP forums, training materials and user groups for support services and user groups for RAR users to discuss experiences, problems and solutions among themselves.

Conclusion
Implementing SAP RAR can be both complex and beneficial to organizations looking for accurate revenue recognition. Utilizing best practices may speed implementation, reduce risks and position your organisation for accurate and efficient revenue management. With proper strategic and implementation approaches in place, RAR may enhance financial reporting as well as business results.