## Zoho Billing - Product, solutions, integrations, support, and resources Index Access the complete documentation index at: https://www.zoho.com/fr/billing/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # Can I grant portal access to multiple contact persons ( under the same customer ) with the same email id? No. When a customer has multiple contact person(s), customer portal access can be given to each person ONLY IF : Each contact person has a different email id.