is it still Ji zi no XX?
follow the previous numbering convention and order (unbreakable numbers). If you use general accounting vouchers, you can use the number you said "remember words * * *".
Are the catering invoices and bank transfer stubs attached to this general voucher?
yes, these are the original vouchers of this accounting voucher. At the same time, there must be an expense account, that is, a document signed by the manager and the leader.