The term "ERC" can refer to several things depending on the context. However, in the context of virtual world accounting solutions, ERC most likely refers to "Ethereum Request for Comments," which is a formalized process used to propose improvements to the Ethereum blockchain.

IRS content, on the other hand, refers to the guidelines and regulations established by the Internal Revenue Service (IRS) of the United States government for tax purposes.

Virtual world accounting solutions aim to provide accounting and financial services to users of virtual worlds such as Second Life, Decentral and Crypto voxels. These solutions often rely on blockchain technology to maintain a decentralized ledger of transactions.

To comply with IRS regulations, virtual world accounting solutions must ensure that their accounting practices are accurate and transparent, and that they provide users with the necessary tax reporting documents.

ERC proposals can be relevant to virtual world accounting solutions if they introduce new features or improvements to the Ethereum blockchain that could impact the accounting practices of virtual world transactions. For example, ERC-20 is a popular standard for creating tokens on the Ethereum blockchain, and virtual world accounting solutions may need to track and report on transactions involving these tokens.