Point out the mistakes in the following sentences from the perspective of official documents and correct them.

Original: The Beijing Municipal People's Government has formulated the Provisions on Hanging Slogans to Celebrate Festivals, which the General Office of the State Council thinks can be used for reference by all localities, and issued a document for this purpose. Issued by Beijing Municipal People's Government.

Reform: The Beijing Municipal People's Government issued a notice about hanging banners to celebrate festivals. The General Office of the State Council thought that all localities could learn from it, so it issued a document to forward the notice of the Beijing Municipal People's Government to all localities.

The main mistakes: first, the language can be notified; Second, the General Office of the State Council thinks that local documents that can be implemented in all localities can be forwarded to all localities. Third, the issuing unit, with the name of issuing a document, was forwarded by the General Office of the State Council and signed by the General Office of the State Council.